短語(yǔ)詞組短語(yǔ)hydraulic c shield support 掩護(hù)式液壓支架shield hydraulic support 掩護(hù)式支架;掩護(hù)式液壓支架hydraulic c chock -shield support 支承掩護(hù)式液壓支架standing shield hydraulic support 支撐掩護(hù)式液壓支架chock -shield hydraulic support 支撐掩護(hù)式支架 返回 hydraulic shield support