字典網>> 英漢字典>> D開頭詞條>>double acting的意思 漢英字典double acting中文翻譯：【機】 雙動式, 雙作用的, 雙動的double acting字典網相關詞條：double safety valve double cropping double-tube converter double beam spectrophotometer double-length number double block double nut bolt double armature double-acting cylinder double amplitude