... drilling by circulation 反循环成孔 circulation by circulation泵循环 By Circulation Grouting 通过循环式劈裂灌浆 ...
双语例句
1
By replacing natural circulation with ejecting circulation, the circulating water in each loop can be increased and match with the heat load of related heating surface.
When operated, the circulation sub allows a higher circulation rate to be established by opening a path to the annulus in the top section of the tool string.
循环接头在工作时在工具管柱的上段打开通向环形空间的通路，于是能够建立较大的循环流量。
3
Therefor, some measures should be taken not only to prevent the risk caused by too large circulation of the national debts but also to guarantee the circulation growth of the national debts.