题目内容

在矿井、化工及炼油厂敷设的电缆,其终端接头应采用()。

A. 模塑式
B. 冷缩式
C. 浇注式

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更多问题

Which three timing modes are supported on the ONS 15454 shelf? ()(Choose three.)

A. line timing
B. loop timing
C. internal timing
D. through timing
E. external timing

精车轴向直廓蜗杆,装刀时车刀左右切削刃组成的平面应与()。

A. 齿面垂直
B. 齿面平行
C. 工件轴心线重合

When the air charge contacts with the cylinders and pistons and mixes with the residual gases, it will()

A. increase in temperature
B. lose its energy partly
C. expand and do work
D. begin to be compressed

货车苫盖两张篷布时,搭接处应按运行最远方向顺向压缝,压缝搭接长度不少于()mm。

A. 200
B. 300
C. 400
D. 500

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