题目内容

() the cylinder walls, the heat passes through them by conduction.

A. When receiving by
B. When received by
C. In order to receiving
D. In order to receive

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安装在墙体上的信息插座应高出装修后的地面()mm。

A. 100
B. 300
C. 500
D. 700

根据物料特性和工作条件,运输带可分为哪几种类型?

货车定期检修的修程则分为()、()、()和()四种。

初始化按钮按下,执行以下动作:();();()、FV1307可控、P1301允许启动。

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