double offset expansion "U" bend：雙偏置U膨脹彎管

Double jacketed gasket|雙夾套墊片 | double offset expansion "U" bend|雙偏置U膨脹彎管 | Double offset expansion "U" bend|雙偏置U膨脹彎管

double offset expansion "U" bend：雙偏置U型膨脹彎管

雙夾套墊片 Double jacketed gasket | 雙偏置U型膨脹彎管 Double offset expansion"U" bend | 雙面U形坡口 Double U groove

double offset expansion "U" bend：雙偏置U形膨脹彎管

double module damper 雙模數(shù)擋板 | double offset expansion U bend 雙偏置U形膨脹彎管 | double paddle mixer 雙軸攪拌機(jī)

double offset expansion U bend U：形回彎補(bǔ)償管

double nuclear resonance magnetometer 雙重核共振磁力儀 | double offset expansion U bend U形回彎補(bǔ)償管 | double orientation 雙取向

double expansion engine：二次膨脹式蒸汽機(jī)

double ended wrench 雙頭扳手 | double expansion engine 二次膨脹式蒸汽機(jī) | double helical gear 人字齒輪

double expansion engine：雙級(jí)膨脹蒸汽機(jī)

double equal-angle cutter 對(duì)稱雙角銑刀 | double expansion engine 雙級(jí)膨脹蒸汽機(jī) | double extension motor 雙凸軸電動(dòng)機(jī)

double expansion engine：雙脹式蒸汽機(jī)

double entry 復(fù)式簿記 | double expansion engine 雙脹式蒸汽機(jī) | double extra heavy 特超重的特高強(qiáng)的

double expansion engine：雙脹動(dòng)力機(jī)

雙脹動(dòng)力機(jī) double expansion engine | 雙脹蒸汽機(jī) double expansion steam engine | 雙伸長 double extension

double five-spot：雙五點(diǎn)井網(wǎng);五點(diǎn)井網(wǎng)中相鄰的兩個(gè)單元井

double fillet welded joint 雙面焊縫接口 | double five-spot 雙五點(diǎn)井網(wǎng);五點(diǎn)井網(wǎng)中相鄰的兩個(gè)單元井 | double folding 雙重褶皺作用

double-quantity flush tank/basin：雙倍量(抽水馬桶)水箱

double-pole magnets with coils;帶有線圈的雙極磁鐵;; | double-quantity flush tank/basin;雙倍量(抽水馬桶)水箱;; | double-zero option;雙零點(diǎn)方案;;