The SRT USES an innovative technique to control bit speed through modulated mudflow.
SRT采用创新性技术，通过控制泥浆流速来调节钻头转速。
2
In Lanping Bai and Pumi Autonomous County, a worker at a local mine pit was killed by rock-mudflow on Wednesday and two in another pit were swept away and are still missing.
周三，在兰坪白族普米族自治县，一名工人在矿坑中被泥石流淹死，另外一个矿坑中的两名工人目前下落不明。
3
Starting with the Dead sea itself, a one-of-a-kind body of water, 417 meters (1, 373 ft.) below sea level with mineral-rich waters and mudflow with natural health and beauty acclaimed globally.