下管 meaning in English
down tube
xiaguan
Examples
- John couldn ' t keep a secretary because he was such a slave driver
由于约翰对手下管得太严，没人愿意做他的秘书。 - Before cutting the tubes to be bend , be sure to allow material in excess
在剪下管是弯管之前,确定允许材料过量地。 - Is 130 cm , upper tube diameter is 25mm lower diameter is 22mm wall thickness is 0 . 8mm
总长度130 cm ,管子上管直径25mm下管直径22mm壁厚 - It is useful in the applications in the laser - ultrasonic non - destructive evaluation of the hollow cylindrical systems
为热弹条件下管状材料的激光超声无损检测提供了参考。 - All gas vented during the snubbing / stripping operation must be flared and burned a minimum of 50m from the well
要在离井口至少50米开外点着并燃烧承压起下管柱操作过程中排出的气体。