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boring bar
auto. 镗缸机中心旋转轴
compr. 镗排
earth.sc. 冲击钻杆
hydroel.st. 钻杆
met. 镇杆
oil 镗杆
boring bar: 16 phrases in 6 subjects
Automobiles1
Construction1
Engineering geology1
Geology1
Shipbuilding2
Technology10