diaphragm walling equipment using hydraulic grabs and telescopic extension rods
释义
diaphragm walling equipment using hydraulic grabs and telescopic extension rods配有伸缩导杆的液压式连续墙抓斗设备diaphragm walling equipment using hydraulic grabs and telescopic extension rods配有伸縮導桿的液壓式連續牆抓斗設備機械工程