题目内容

如何认识法规汇编?

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激光加工中心飞行打标机所用CO2激光器是射频激励激光器。

A. 正确
B. 错误

从业人员只要遵守行业习惯和企业有关规定就可以了。

A. 正确
B. 错误

A situation has occurred where it becomes necessary for you to be towed. What action should be taken to prevent your vessel from yawing?().

A. Shift weight to the bow
B. Shift weight to the center of the boat
C. Shift weight to the stern
D. Throw excess weight overboard

有三个电阻R1>R2>R3,并连接到电源电压U,()电阻功率最大。

A. R1
B. R2
C. R3
D. 一样大

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