查询词典 tubing spear
- 与 tubing spear 相关的网络例句 [注:此内容来源于网络,仅供参考]
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In fishing,the sliding cone blocks enter the fish cavity easily acted by a guide shoe and a guide cone,slide downward by its own weight,produce relative displacement to the guide rail slope,and the radial distance between its tooth face and the spear rod increases until it touches the inner wall of the fish cavity; while lifting the drilling string,the guide rail slope on the spear rod forces the sliding cone blocks to bite the inner wall of the tubing fished.
打捞时在引鞋和导锥的作用下滑牙块能够顺利进入鱼腔并依靠自重下滑,沿导轨外伸直至其齿面与鱼腔内壁接触;随后上提钻柱,矛杆上的导轨斜面迫使滑牙块咬紧被打捞油管内壁,当油管严重偏磨使一对滑牙块卡在磨穿位置时,另一对能有效卡在未磨损部位,同时外筒限制了油管外胀变形。
- 推荐网络例句
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I didn't watch TV last night, because it .
昨晚我没有看电视,因为电视机坏了。
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Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.
今年以来,在北京的很多小区里,电梯液晶电视被撤了下来。
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I'm running my simile to an extreme.
我比喻得过头了。