台虎钳加紧工件时不允许用手锤敲击手柄,也不允许随意套上长管扳紧手柄,以免损坏()。
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个人客户数据的前期分析,应通过OCRM系统寻找金融资产超过5万元的中高端客户,重点开展营销。
A. 正确
B. 错误
屏蔽双绞线是一种数据传输线,由四对不同颜色的传输线所组成,广泛用于以太网路和电话线中。
A. 正确
B. 错误
纳税人承受荒山、荒沟、荒丘、荒滩土地使用权,用于农、林、牧、渔业生产的,免征契税。()
A. 正确
B. 错误
When working on a high voltage circuit, you should always have another person present with you.This person should have a good working knowledge of ()
A. the circuit being worked on and the location of all switches and circuit breakers controlling it
B. first-aid techniques for treating electrical shock
C. cardiopulmonary resuscitation (CPR)
D. All of the above