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【多选题】
以下哪些属于切削加工工序的安排原则?
A.
先加工基准表面,后加工其他表面。
B.
先加工平面,后加工内。
C.
先加工主要表面,后加工次要表面。
D.
“先粗后精”的加工顺序——先进行粗加工,再进行半精加工,最后进行精加工和光整加工。
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参考答案:
举一反三
【多选题】以下属于丰田汽车公司旗下品牌的是()
A.
赛昂
B.
丰田
C.
雷克萨斯
D.
讴歌
【单选题】下列气体有颜色的是:
A.
O2
B.
Cl2
C.
NH3
D.
NO
【简答题】When the price of a good or service is dependent on future s (such as price increases, volume discounts, and rebates) companies estimate the amount of variable consideration using either the expe...
【单选题】下列气体有颜色和有刺激性气味的是
A.
CO 2
B.
Cl 2
C.
O 2
D.
CO
【多选题】影响轮胎-路面附着系数的主要因素包括:
A.
道路的材料以及路面状况
B.
车速
C.
轮胎结构、胎面花纹与轮胎材料
D.
轮胎的垂向载荷
【单选题】Differentiation strategy is a way for a business to differentiate itself from the competition. If successful, it allows the business the opportunity to charge a premium for the good or service. What d...
A.
A sum of money that customers have to pay for the normal cost and profit margin.
B.
A sum of money that customers have to pay for the normal cost.
C.
A sum of money that customers have to pay for the production cost.
D.
A sum of money that customers have to pay for something in addition to the normal cost.
【单选题】Perfect competition arises if the ________ efficient scale of a single producer is ________ relative to the demand for the good or service.
A.
minimum; small
B.
minimum; large
C.
maximum; small
D.
maximum; large
【单选题】下列气体中,有颜色的是( )
A.
N2
B.
NO
C.
SO2
D.
Cl2
【单选题】同温同压下,某容器充满O2重116g,若充满CO2重122g,现充满某气体重114g,该气体的相对分子质量为( )
A.
60
B.
44
C.
32
D.
28
【判断题】点火系统由电脑控制称为电脑控制电子点火系统。
A.
正确
B.
错误
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