... 自由曲线规 adjustable curve， adjustable ruler 活配钻机 adjustable drilling machine 可调整偏心轮 adjustable eccentric ...
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The drilling machine structure is compact, and at the same time promote the carriage with adjustable compensation function, when drilling carriage support on the ground, borehole stability is good.
该钻机结构紧凑，同时推进滑架具有伸缩补偿功能，钻孔时滑架支撑在地面上，钻孔稳定性好。
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