短語詞組短語ball valve sample chamber [油氣]球閥取樣器valve spring chamber 氣門彈簧室expansion valve diaphragm chamber 膨脹閥膜片室valve rocker chamber cove 氣門搖臂室罩valve outer chamber cover 閥外室蓋priority valve spring chamber 壓力控制順序閥彈簧室valve outer chamber 閥外室valve inner chamber 閥內(nèi)室 返回 valve chamber