rotary boring
... Rotary percussion boring 旋转冲击式钻孔 Rotary drilling 旋转式钻孔 Rotary boring 旋转式钻孔 ...
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... 旋转式钻探;回转钻探：rotary drilling 旋转式钻孔：Rotary boring 旋转式水表：rotary water meter ...
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旋转式钻孔机 rotary drill
旋转冲击式钻孔 Rotary percussion boring
旋转式水冲钻孔设备 rotary wash-boring equipment
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