... 复式滑动刀架的底部滑板 compound rest bottom 有螺纹的底部导向鞋 threaded bottom guide 玉米割捆机的底部打捆器 bottom packer ...
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bottom hole packer 井底密封器 ; 井底封隔器
bottom hole plug packer 塞式井底封隔器
disk bottom hole packer 扁盘井底封隔器
bottom wall and anchor packer 井壁及尾管封隔器
bottom m hole packer 井底密封器
Bottom fold cigarette packer 横包机
bottom m hole plug packer 塞式井底封隔器
The separated layer polymer injection pipe string consists of well-flushing packer, down-hole flow distributor and bottom ball.
分层注聚管柱主要由可洗井封隔器、配注器及底球组成。
The invention discloses a manufacture technology of a bonding toothed plate of a packer, mainly containing the following step of raising a body with a bottom designed as an inclined surface.
本发明公开了一种打包机的粘合齿板的制造工艺，主要包含以下步骤：提高一底部设计为斜面的本体。
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