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Terms for subject Drilling containing main | all forms | exact matches only
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main block valve总闸门
main bottom基座
main bottom基岩
main component主要部件
main drilling packer防井喷主封隔器
main drum主滚筒
main engine主机
main line总管线
main pump用于井内循环泥浆的泥浆泵
main sill钻台大梁
main supply主电源
main valve总闸门