Roek

常见例句

ZHU Yong-min,GUO Jing-qiu,GUO Ai-qing.Study and practice of raising explosive efficiency in hard roek[J].Coal Mining Technology,2002,7 (3):47-49.
[4]朱永民;郭景秋;郭爱清.;提高硬岩巷道爆破效率的研究与实践[J]
The amount of gas released from oil inereases from east to west, it can be 12.82 % of gas in free phase expelled from souree roek, it is important part of gas aeeumulation in Western Slope.
油溶释放气量可占到源岩游离相天然气排出量的12．82%25，应是西部斜坡区天然气成藏的重要组成部分。
Sam cib duz vaiz miz roek cib gaiq gaeu,
三十头牛有六十个角，
operating line for drill jumbo in roek roadway
岩巷钻车作业线
According to the methods of apparent-pole moving Curve ancl isotopic age dating of roek, the intrusive mass was formed cluring Caledonian period instead of Yanshanian
根据视极移曲线及同位素测定岩石年龄的方法,确定岩体的形成时代为加里东期岩浆活动,以此对燕山期岩浆活动的结论提出质疑。
ground phosphate roek
磷矿粉