double-head endmill：雙頭立銑刀

double-head boxing machine 雙頭箱式縫紉機 | double-head endmill 雙頭立銑刀 | double-head flat scraper 雙頭平刮刀

double-head milling machine：雙軸銑床

double-head flat scraper 雙頭平刮刀 | double-head milling machine 雙軸銑床 | double-head rail 雙頭軌

double-head milling machine：雙頭銑床

雙吊架構(gòu)架 double hanging truss | 雙頭銑床 double head milling machine | 雙頭軌條 double head rail

double-head flat scraper：雙頭平刮刀

double-head endmill 雙頭立銑刀 | double-head flat scraper 雙頭平刮刀 | double-head milling machine 雙軸銑床

double-headed rail：工字軌

double-headed arrow 雙箭頭 | double-headed rail 工字軌 | double-header boiler 雙筒式水管鍋爐

double-headed rail：雙頭軌條

"兩次過濾","Double filtration" | "雙頭軌條","Double headed rail" | "雙連條","Double lacing"

double-headed rail：雙頭鋼軌

double-headed nail ==> 雙帽釘 | double-headed rail ==> 雙頭鋼軌 | double-headed spike ==> 雙頭釘

double-headed arrow：雙箭頭

double-head automatic transmitter 雙機頭自動發(fā)報機 | double-headed arrow 雙箭頭 | double-headed rail 工字軌

double-headed camera：雙頭攝影機

double-headed bolt tension meter 雙頭螺栓張力計 | double-headed camera 雙頭攝影機 | double-headed spray gun 雙口噴槍

Double-line engine：雙列發(fā)動機

Double jointed propeller shaft 雙萬向節(jié)傳動軸 | Double-line engine 雙列發(fā)動機 | Double overhead camshaft 雙頂置凸輪軸