字典網>> 英漢字典>> S開頭詞條>>single-beam travel crane的意思 漢英字典single-beam travel crane中文翻譯：【化】 單梁自行式起重機single-beam travel crane字典網相關詞條：single address single column manometer single verb single-polarity pulse single screw thread single electrode potential single-threaded screw single access single circuit single-wire feeder