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【多选题】
请从下列有关 XY-4 型钻机摩擦离合器工作原理描述中选出正确的选项
A.
摩擦离合器接通动力后，当钻机超载时，利用摩擦片打滑可起到过载保护作用。
B.
摩擦离合器接通动力后，实现了动力的刚性传递，摩擦片之间不会打滑，所以该离后器不能起到过载保护作用。
C.
摩擦离合器接通动力后，操纵机构具有自锁性，可自动将离合器锁定在接通工况。
D.
摩擦离合器接通动力后，操纵机构不具有自锁性，需通过人力搬动手柄使离合器保持接通工况。
E.
摩擦离合器的摩擦片磨损后，需要及时调整间隙，以保证能传递足够的摩擦力。
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参考答案：
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发动机吊舱通风气体
B.
压气机引气
C.
液压油
D.
滑油
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【单选题】Yunnan province in China was attacked by such a terrible drought this early spring ____________few people had experienced before,  ____________ made us worry about global climate changes.
A.
that; that
B.
as; which
C.
which; it
D.
when; as
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A.
借方登记入库材料的实际成本
B.
贷方登记发出材料的实际成本
C.
期末余额在借方，反映库存材料的实际成本
D.
期末余额在贷方，反映企业多领的库存材料的实际成本
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【单选题】What did the author s friends try to tell him?
A.
It is possible to live a car-free life.
B.
There is no need for expensive cars.
C.
A car is a necessary part of life.
D.
They' 11 follow him if he' s successful.
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【简答题】Although there is no possibility of living completely free of stress , it is possible to pr stress as well as reduce its effect when it can’t be avoided. The US Department of Health and Human Ser...
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【单选题】[7-89]___is the act of allocating space to container on board of a container ship in the order of the discharge ports.货物配载计划是按照卸货港顺序,分配集装箱船箱子的空间。
A.
Container loading 集装箱装货
B.
Container discharging 集装箱卸货
C.
Stowage planning 货物配载计划
D.
Container checking 集装箱检查
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【简答题】Read the following passage and decide whether they are true (T) or false (F). Tourism is a modern business, or industry. In the days before inexpensive means of transportation, only the wealthy could ...
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【单选题】As is known, mobile phones make it possible for people to ______ each other conveniently.
A.
keep in touch with
B.
get in touch
C.
lose touch
D.
be concerned
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【多选题】采用实际成本进行材料日常核算的企业,“原材料”科目用于核算各种办法库存材料的收发和使用情况,该科目( )
A.
借方登记入库材料的实际成本
B.
贷方登记发出材料的实际成本
C.
期末余额在借方，反映企业库存材料的实际成本
D.
期末余额在贷方，反映企业多领的库存材料的实际成本
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【单选题】燃油加热器通常使用什么来加热燃油？
A.
发动机吊舱通风气体
B.
APU引气
C.
液压油
D.
滑油或压气机引气
查看完整题目与答案
相关题目：
【多选题】燃油加热器通常使用（）来加热燃油.
A.
发动机吊舱通风气体
B.
压气机引气
C.
液压油
D.
滑油
查看完整题目与答案
【单选题】Yunnan province in China was attacked by such a terrible drought this early spring ____________few people had experienced before,  ____________ made us worry about global climate changes.
A.
that; that
B.
as; which
C.
which; it
D.
when; as
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【多选题】6采用实际成本进行材料日常核算的企业,“原材料”科目用于核算各种库存资料的收发和使用情况。该科目()
A.
借方登记入库材料的实际成本
B.
贷方登记发出材料的实际成本
C.
期末余额在借方，反映库存材料的实际成本
D.
期末余额在贷方，反映企业多领的库存材料的实际成本
查看完整题目与答案
【单选题】What did the author s friends try to tell him?
A.
It is possible to live a car-free life.
B.
There is no need for expensive cars.
C.
A car is a necessary part of life.
D.
They' 11 follow him if he' s successful.
查看完整题目与答案
【简答题】Although there is no possibility of living completely free of stress , it is possible to pr stress as well as reduce its effect when it can’t be avoided. The US Department of Health and Human Ser...
查看完整题目与答案
【单选题】[7-89]___is the act of allocating space to container on board of a container ship in the order of the discharge ports.货物配载计划是按照卸货港顺序,分配集装箱船箱子的空间。
A.
Container loading 集装箱装货
B.
Container discharging 集装箱卸货
C.
Stowage planning 货物配载计划
D.
Container checking 集装箱检查
查看完整题目与答案
【简答题】Read the following passage and decide whether they are true (T) or false (F). Tourism is a modern business, or industry. In the days before inexpensive means of transportation, only the wealthy could ...
查看完整题目与答案
【单选题】As is known, mobile phones make it possible for people to ______ each other conveniently.
A.
keep in touch with
B.
get in touch
C.
lose touch
D.
be concerned
查看完整题目与答案
【多选题】采用实际成本进行材料日常核算的企业,“原材料”科目用于核算各种办法库存材料的收发和使用情况,该科目( )
A.
借方登记入库材料的实际成本
B.
贷方登记发出材料的实际成本
C.
期末余额在借方，反映企业库存材料的实际成本
D.
期末余额在贷方，反映企业多领的库存材料的实际成本
查看完整题目与答案
【单选题】燃油加热器通常使用什么来加热燃油？
A.
发动机吊舱通风气体
B.
APU引气
C.
液压油
D.
滑油或压气机引气
查看完整题目与答案
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