Disclosed is a pressure dredging device without a rod, mainly comprising a draft tube, a connecting tube, a handle, a compressing ring and a regulating pawl.
一种无杆压力疏通器，主要包括有引管、连管、手柄、压缩圈以及调节爪。
The invention discloses a microwave oven with a microwave homodisperse structure, mainly comprising an oven body and a waveguide tube fixed on the oven body.
本发明公开了一种具有微波均匀分散结构的微波炉。
The utility model discloses a novel drilling machine, mainly comprising a drilling machine head case, a linear slideway, a stroke sliding plate, a return tension spring and the like.
本实用新型公开了一种新型钻床，该钻床主要由钻床机 头箱、直线滑道、行程滑板、回位拉簧等组成。
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