counter-circulation

美 　英

• n.反環(huán)流

英漢解釋

n.	1. 反環(huán)流

例句

Experimental Research on Run-through DTH Counter-Circulation Drilling Technique

貫通式潛孔錘反循環(huán)連續(xù)取芯技術(shù)的試驗(yàn)研究

Talk about the Principles of Counter-circulation and the Questions of Operating

淺述反循環(huán)工藝原理及運(yùn)行問題