题目内容

灯具重量大于0.5kg的灯具应采用吊链、吊管吊装,灯线不得受力。()

A. 正确
B. 错误

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更多问题

会员的基本需求有哪些

网络借贷由()进行监管。

A. 人民银行
B. 银监会
C. 证监会
D. 保监会

Segregation of cargoes refers to().

A. separating cargoes so that the inherent characteristics of one cannot damage the other
B. separating cargoes by destination
C. classifying cargoes according to their toxicity
D. listing the cargoes in order of their flammability

主催化剂系统正常投用包括哪些?

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