单选题
发布日期:2021-03-22
relieve excess fuel oil pressure during the “off” fire cycle
admit water to the dry pipe
throttle the forced draft fan output for proper combustion
reduce excess steam pressure in the boiler
题王网让考试变得更简单
扫码关注题王,更多免费功能准备上线!
此试题出现在
分配应急储备,准备替代方案和变更项目范围是以下什么的例子()
制定地方性法规的主体是省、自治区、直辖市,省、自治区所在地的市和经国务院批准的较大的市的()
维吾尔族的先民是( )。
“水能性澹为吾友,竹解心虚是我师”是为()题写的楹联。
()既具有检错功能又具有纠错功能。
下列疾病,病灶部位表现为语颤增强的是( )。
春秋时代,民族关系主要体现在华夏与戎狄蛮夷之间的()的不同。
以下符合税务行政复议规定的有( )。
在下列明长城的著名城段中,位于北京的有( )。
砌体开裂的主要原因()。
暂无相关推荐~
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 (...
What is the purpose of a relief valve?()
What is the purpose of a relief valve?()
What is the purpose of pressure-vacuum relief valves? ()
The purpose of the GMDSS is to()safety of life and property at sea all over the ...
The relief valve is located on the()
The relief valve is located on the()
In the safety communication,you can get your R/O()it for you.
Which one of the following is the safety signal?().