輥子組合的懸掛結構(輸送機) roller assembly: 無座圈滾柱軸承suspension structure: 懸浮結構roller suspension pipemaking machine: 滾筒懸置式制管機roller suspension process: 懸輥法aggregataufhngung assembly suspension: 成套設備懸置下載手機詞典可隨時隨地查詞查翻譯