installing overhead造句

例句与造句

1. Four use on all world and s585 - 70 full port bronze ball valves , the horizontal and vertical chain levers can be used when valves are installed overhead in horizontal or vertical piping runs
   适用于所有沃尔达不缩径，全流道青铜球阀上，水平或垂直链条杆可以用在阀门安装位置处于高处的水平或垂直管道上。
2. It's difficult to find installing overhead in a sentence. 用installing overhead造句挺难的