English translation for "hard formation"

坚硬岩层
硬层

Related Translations:

hard tissue:  硬组织

hard water:  硬火硬水

hard clay:  硬粘土硬质陶土硬质土硬质粘土

hard project:  硬项目

hard chrome:  硬铬

hard down:  舵柄推向)下风满舵下风满舵

quarter hard:  四分之一硬

hard liquor:  烈酒

hard nickel:  硬镍

hard ecu:  硬埃居

Example Sentences:

1.

Abstract : being aimed at the poor rock - breaking efficiency of rotary water jet in hard formations and deep wells with radial horizontal well technology , by use of powerful advantages of abrasive jet rock - breaking , experimental study on rotary abrasive jet was made 文摘:针对径向水平井钻井技术中旋转水射流在硬地层和深井中破岩能力低的不足，利用磨料射流破岩能力强的优势，对旋转磨料射流进行了试验研究。

Similar Words：

"hard flutter" English translation, "hard flux" English translation, "hard focus lens" English translation, "hard fold" English translation, "hard format" English translation, "hard formation bit" English translation, "hard formation cutting head" English translation, "hard formation force" English translation, "hard freeze" English translation, "hard frost" English translation