expansion suspender：伸縮懸桿

expansion staybolt 膨脹拉桿螺栓 | expansion suspender 伸縮懸桿 | expansion tank 膨脹箱

expansion sleeve：膨脹套筒

expansion skirt 大擺裙 | expansion sleeve 膨脹套筒 | expansion staybolt 膨脹拉桿螺栓

flush tank：沖洗箱

"平頭牽條","flush staybolt" | "沖洗箱","flush tank" | "平齊型","flush type"

Allowable Stress Value：許用應力

allowable staybolt pitch 拉撐螺栓許用節(jié)距,拉撐螺栓允許節(jié)距 | allowable stress value 許用應力(value) | allowable working prescertain 許用任務壓力

screw gear：螺旋齒輪,螺旋齒輪傳動裝置

"screwed staybolt ","螺絲拉桿,螺頭撐栓" | "screw-gear ","螺旋齒輪,螺旋齒輪傳動裝置" | "screw-holder ","螺絲燈座"