two pipe system 双管系统 ; 双管供暖系统
two-pipe jet pump 双管喷射泵
two-pipe water system 两管制水系统
two-pipe heating system 双管采暖系统 ; 双管供暖系统
two pipe heating system 双管供热系统
two pipe direct return system 双管直接回水供暖系统
two pipe drop heating system 双管上分供暖系统
two-pipe system 双管系统 ; 双管供暖系统
Wafer-style held in place between two pipe flanges.
平板式(对夹式):固定在两个管道法兰之间。
"New two pipe method" is a new way to stop the water in deep foundation pit.
“新二管法”是一种新型的深基坑止水方法。
Lead and backup tong-men should not stand between the two pipe tongs while the driller is making up or breaking out pipe or collars.
当司钻正在上卸钻杆和钻铤时,内外钳工不要站在两个大钳之间。
What that is, is an organ pipe of the type of organ that we have over in Woolsey Hall, thirty-two feet tall, this gigantic sound of down there so that's what he's trying to set up.
这是一种管风琴,梧希音乐厅就有,三十二英尺高,巨大浑厚的低音,正是施特劳斯努力展现的
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