题目内容

钳工用的锉刀,按断面形状可分为()及半圆锉。

A. 平锉
B. 方锉
C. 圆锉
D. 三角锉

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班计量时间()需要及时录入的班检尺数据。

A. 所有油罐
B. 静态油罐
C. 动态油罐

Which of the following statements concerning cargo is correct?()

A. Cargoes are any type of goods transported by any type of ships
B. Cargoes are goods transported in bulk
Cargoes usually include goods transported in bulk and in containers
D. Cargoes are usually packaged in container

轻型汽车发动机曲轴做动平衡试验时,允许误差为()g.m。

A. 5~15
B. 10~35
C. 10~18
D. 10~50

离心机的进料浓度是多少?产品湿盐含水量要求是多少?

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