double ended boiler：雙面燃燒式鍋爐

double-end shears 雙面壓剪機(jī) | double-ended boiler 雙面燃燒式鍋爐 | double-ended boiler 雙頭鍋爐雙面燃燒式鍋爐

double ended boiler：雙頭鍋爐雙面燃燒式鍋爐

double-ended boiler 雙面燃燒式鍋爐 | double-ended boiler 雙頭鍋爐雙面燃燒式鍋爐 | double-ended ferry 首尾同型渡船

double ended boiler：兩面燃燒式鍋爐

double endbolt 雙頭螺栓 | double ended boiler 兩面燃燒式鍋爐 | double ended boiler 雙爐門式鍋爐

double combustion boiler：雙爐膛鍋爐

double column vertical lathe 雙柱立式車床 | double combustion boiler 雙爐膛鍋爐 | double commutator generator 雙整流子發(fā)電機(jī)

double combustion boiler：雙爐鏜鍋爐

double-claw flexible coupling 雙爪式撓性聯(lián)軸器 | double-combustion boiler 雙爐鏜鍋爐 | double-compound engine 雙聯(lián)雙脹式蒸汽機(jī)

double combustion boiler：雙爐瞠鍋爐

雙斷開關(guān) double-break switch | 雙爐瞠鍋爐 double-combustion boiler | 雙曲葉片 double-curvature blade

double pressure boiler：雙壓式鍋爐

double pressed stearic acid 二壓硬脂酸 | double pressure boiler 雙壓式鍋爐 | double probe 雙聯(lián)探測器

double pressure boiler：雙路循環(huán)式鍋爐

double-post bollards 雙柱纜樁 | double-pressure boiler 雙路循環(huán)式鍋爐 | double-proted slide valve 雙汽口滑閥

double fired boiler：雙燃燒管鍋爐

double filter 雙聯(lián)濾器 | double fired boiler 雙燃燒管鍋爐 | Double Fish shortcake 雙魚酥

double fired boiler：雙燒鍋爐

雙層過濾 double filtration | 雙燒鍋爐 double fired boiler | 雙浮標(biāo) double float