题目内容

浇口设计不当,可能导致冷隔。

A. 正确
B. 错误

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献血法规定,两次采集血液的间隔不少于()

A. 五年
B. 半年
C. 四个月
D. 三个月

One of the factors which affects the circulation of ocean currents is().

A. humidity
B. varying densities of water
C. vessel traffic
D. the jet stream

电气工作人员在10KV配电装置上工作,其正常活动范围与带电设备的最小安全距离为0.35m

A. 正确
B. 错误

The additional mark ()in the Classification Certificate for Machinery represents that personnel are watching at engine assembly control station and monitoring all machinery and electronic devices.

A. BRC
B. MCC
C. AUT-0
D. AUT-1

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