基本解釋[交通運(yùn)輸工程]局減閥詞組短語(yǔ)短語(yǔ)quick service limiting valve diaphragm 局減膜板quick service limiting valve piston 局減活塞quick service limiting valve stem 局減閥桿quick service limiting valve bush 局減閥套quick service limiting valve spring 局減閥彈簧quick service limiting valve更多詞組專業(yè)釋義交通運(yùn)輸工程局減閥