单选题:采暖管道冲洗完毕后应通水、( ),进行试运行和调试。 题目分类:机电工程管理与实务 题目类型:单选题 查看权限:VIP 题目内容: 采暖管道冲洗完毕后应通水、( ),进行试运行和调试。 A.压力试验 B.灌水试验 C.通球试验 D.加热 参考答案: 答案解析:
有伴热管的管道保温层施工时,伴热管应按规定固定,伴热管与主管线之间应保持( ),不得填塞保温材料。 有伴热管的管道保温层施工时,伴热管应按规定固定,伴热管与主管线之间应保持( ),不得填塞保温材料。A.接触 B.贴紧 C.空隙 D.一定角度 分类:机电工程管理与实务 题型:单选题 查看答案
用于焊接工艺评定试板的焊接设备,只能在( )焊接设备范围内选取。 用于焊接工艺评定试板的焊接设备,只能在( )焊接设备范围内选取。 A.压力容器专用 B.本单位 C.焊接工艺评定专用 D.焊接产品 分类:机电工程管理与实务 题型:单选题 查看答案
I realized to my horror that I had forgotten the present. I realized to my horror that I had forgotten the present.A.limit B.fear C.power 分类:机电工程管理与实务 题型:单选题 查看答案
In the passage how many cancers are mentioned in relation to In the passage how many cancers are mentioned in relation to smoking cigars dai 分类:机电工程管理与实务 题型:单选题 查看答案
Children of the "time-bomb" father can't feel safe and deve Children of the "time-bomb" father can't feel safe and develop trust.A.Right B. 分类:机电工程管理与实务 题型:单选题 查看答案