... 端部加厚的钻杆 upset drill pipe 端部加厚的套管 end casing 加厚的阳螺纹端 upset and threaded male end ...
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upset-end casing 端部加厚的套管
plain-end casing liner 平端套管衬管
Plain-end Casing linear 交货方式平端套管衬管
casing end 端盖
field end of casing 在工地施紧接箍的套管端
collar end of the casing 套管接箍端
End face with a gap, no boss butt is refers to the upper and lower casing left a certain gap between the upper and lower main chord rod end face at the same time contact.
端面有间隙、无凸台对接是指在上、下套管之间留有一定间隙，上、下主弦杆端面同时接触对接。
The casing is thus free to yield to thermal expansion by moving forward on special slide elements between the front-end brackets and the front bearing pedetal.
外壳通过位于前端支架和前轴承座之间的特殊滑动部件向前滑动，从而避免了热膨胀的影响。
The gas pool position of trachea casing pipe, the end position of the trachea casing pipe and the position of trachea hoop against anonymous artery.
对气管套管气囊的位置、气管套管末端的位置及无名动脉对应的气管环的位置进行了观察。
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