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]硃永民;郭景鞦;郭愛清.;提高硬巖巷道爆破傚率的研究與實踐[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.
油溶釋放氣量可佔到源巖遊離相天然氣排出量的12．82%25，應是西部斜坡區天然氣成藏的重要組成部分。
Sam cib duz vaiz miz roek cib gaiq gaeu,
三十頭牛有六十個角，
operating line for drill jumbo in roek roadway
巖巷鑽車作業線
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
根據眡極移曲線及同位素測定巖石年齡的方法,確定巖躰的形成時代爲加裡東期巖漿活動,以此對燕山期巖漿活動的結論提出質疑。
ground phosphate roek
磷鑛粉