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市委组织部主办的《怀化党建网》,既是(),也是全市党员干部现代远程教育辅助教学平台。
有关SARS-CoV的描述,不正确的是( )。
为防止因电气线路失灵,电梯到达顶层或底层后仍继续运行,电梯设置了().
买受人接收出卖人多交付的标的物的,按照()支付价款。
目前主流上行通信方式有()
在保险合同中享有权利承担义务的人包括()。
针灸具有提高机体免疫功能,增强搞病能力,调节内分泌功能作用,用于()。
以下哪部不属于马克思与恩格斯合作的著作?()
按照广义信息资源的定义,以下各项中不属于信息资源内容的是()
怎样看待一般信教群众参与地下学经活动?
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The safety valves should be tested and adjusted when the boiler survey is ()
The safety valves should be tested and adjusted when the boiler survey is ()
Safety valves on a boiler vent to the ().
Safety valves on a boiler vent to the ().
The safety valves are mounted in pairs to () the boiler against overpressure.
The safety valves are mounted in pairs to () the boiler against overpressure.
The purpose of the safety relief valves installed on an auxiliary boiler is to (...
The purpose of the safety relief valves installed on an auxiliary boiler is to (...
The period when both inlet valves and exhaust valves are open is referred to as ...
In comparison to exhaust valves, intake valves of diesel engines may be fabricat...