题目内容

轧件的压下量与原始高度之比叫()。

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关于防止铬-钼钢设备发生回火脆性破坏的措施,下列说法正确的是()。

A. 采用热态型开停车方案
B. 在开停车时采用较高的最低升压温度
C. 控制应力水平和开停车时的升降温速度
D. 尽量减少应变幅度,采取降低热应力和避免应力集中的方法

论述弦槌的弹性。

Your company has a server named SRV1 that runs windows server 2008. The default print server role is installed on SRV1 the company wants to centralize printing on SRV1 for both UNIX and windows users. You need to provide support to the UNIX users who print on SRV1. What are two possible ways to achieve this goal? ()

A. Install the internet printing server role on SRV1.
B. Install the line printer daemon (LPD) services role service on SRV1.
Configure the printers on SRV1 to use line printer remote printing.
D. Install the file server role on SRV1 and activate the services for the NFS Role service option.

加注三甘醇不能有效减少管道和设备内的()的产生。

A. 固体杂质
B. 水分
C. 原油
D. 硫化铁

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