High fill-back embankment高筑填路堤

high-back chair高背椅

high-back jumbo高工作面钻车

High-back Leather Cahir群佑企业有限公司

the high-speed back controlling instrnment快速回退

high back-pressure foam generator高背压泡沫产生器

high frequency link fly-back inverterflyback高颖链逆变器

Putting the high-temperature furnace back推杆式高均温回火炉

high temperature back-pressure cycle sterilize高温反压循环杀菌

high back-pressure foam maker高背压泡沫产生器