English translation for "直接顶初次垮落"

first caving
first roof caving

Related Translations:

自然垮落:  spontaneous caving

初次:  the first time 短语和例子初次出场 make one's bow; 初次登台 appear for the first time on the stage; make one's debut; 初次见面 see sb. for the first time

初次充电:  initial chargeprimary charging

初次检查:  initial examinationinitial test

初次妊娠:  primigravid

初次约会:  a blind dateblind date

初次燃烧:  primary combustion

初次上演:  put on the stage on a première show

初次整合:  primary integration

初次发行:  primary issue

Example Sentences:

1.

First roof caving 直接顶初次垮落

Similar Words：

"直接调制" English translation, "直接调制方式" English translation, "直接调制技术" English translation, "直接顶" English translation, "直接顶板" English translation, "直接定位" English translation, "直接定位法" English translation, "直接定位方式" English translation, "直接定位装卡" English translation, "直接定向辐射" English translation