下接头的英文

• lower adaptor
• lower contact
• lower sub

• "下"英文翻译    below; down; under; undernea ...
• "接头"英文翻译    connect; join; joint
• "锅炉下接头" 英文翻译 :    bottom boiler connection; bottomboilerconnection
• "下接" 英文翻译 :    cont. on
• "皮下接" 英文翻译 :    bark grafting; crown grafting; kind graft; notch graft; rind grafting
• "下接…页" 英文翻译 :    continued on …sheet
• "下接轴" 英文翻译 :    bottom spindle
• "地下接线盒" 英文翻译 :    underground box
• "电键下接点" 英文翻译 :    anvil
• "井下接地" 英文翻译 :    downhole ground
• "面朝下接合" 英文翻译 :    face down bonding/face bonding
• "皮下接法" 英文翻译 :    rind graft method
• "皮下接种" 英文翻译 :    subcutaneous inoculation; subcutaneous vaccination
• "水下接插件" 英文翻译 :    submarine plug-and-socket
• "水下接收机" 英文翻译 :    submarine receiving set
• "水下接受器" 英文翻译 :    submarine receiving set
• "私下接受" 英文翻译 :    private acceptance
• "肘下接受腔" 英文翻译 :    below-elbow socket
• "脑膜下接种,硬膜下接种" 英文翻译 :    subdural inoculation
• "反键的下接点" 英文翻译 :    anvil
• "下接传球路线" 英文翻译 :    immediate passing angles
• "t接头" 英文翻译 :    t-piece
• "接头" 英文翻译 :    1.(连接起来) connect; join; joint 把两根管子接头 connect two pipes2.(找人联系) contact; get in touch with; meet 接头地点 contact point; rendezvous; 我明天和他接头。 i shall get in touch with him tomorrow.3.(了解情况) know about; have knowledge of 这事她不接头。 she doesn't know anything about it.4.[纺织] piece (纱条); piecing; (经纱) tying-in5.[电工] (连接端) splice; adapter connector; coupling crank; dart union swivel; fitting; 接头错位 radius off-set joint; 接头工 piecer; 接头回毛 lappings; 接头夹 connector clamp; 接头结 junction; 接头经纱 through; 接头纱 [纺织] beating; thrums; 接头锁紧螺母 swagelok; 接头套(筒) adapter sleeve; 接头套管 swagelok; 接头装置 piecing devices; 接头座 plinth
• "操控下接近地障" 英文翻译 :    control flight into terrain
• "地下接触轨集电器" 英文翻译 :    underground collector

• If it is necessary to have the joints under water, they must be bedded into a box or sleeve which absolutely prevents water from penetrating in .
  如果有必要在水下接头，就必须把它们安置于绝对不渗水的密封盒子或套管中。
• Thereby , this paper has carried through an in - depth study on wear mechanism between tool joint of drill pipe and casing , problems caused by wear and measures to deal with wear based on researches at home and abroad . the research contents include : in order to reveal mechanism of wear occurred between tool joint and casing , distribution of the contact pressure between the tool joint and casing for different loads was obtained with finite element method . furthermore , the mathematical model of maximum contact pressure and the wear depth on casing was established
  所以，本文在国内外研究的基础上，对钻杆与套管摩擦磨损的机理、引发的系列问题及其预防措施进行了深入研究，研究内容主要包括：为探讨钻杆接头与套管摩擦磨损的机理，采用有限元法研究了不同载荷下接头与套管之间接触压力的分布规律，并建立了最大接触压力与磨损量的数学模型。