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【判断题】
在发动机内部零部件中,如果采用压力润滑,其机油的压力越大越好。A.
正确
B.
错误
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【简答题】《弟子规》原文中强调读书环境的句子是 , , , 。
【单选题】If no gaskets are used in the piping joints of a Freon system, the joints must be（）
A.
finished joints
B.
welded joints
C.
ground joints
D.
soldered joints
【单选题】According to the article, why should building joints be agile?
A.
Such joints are cheap.
B.
Such joints make buildings flexible and moveable.
C.
Such joints are concrete frames.
D.
Such joints make the buildings rigid.
【单选题】The metatarsophalangeal joints are which type of synovial joints?
A.
saddle joints
B.
hinge joints
C.
condyloid joints
D.
pivot joints
E.
spheroidal joints
【简答题】原文中强调读书环境的句子是
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