break rock
常見例句
- Gravity acts on the large mass of the collars to provide the downward force needed for the bits to efficiently break rock.
鉆鋌的重量提供了鉆頭有效破碎巖石所需要的向下力。
www.infopetro.com.cn - Static fracture agent, after all, is one way to break rock and concrete in complicated surroundings and unable blasting condition.
在環(huán)境復雜且不能施爆的情況下，用靜態(tài)破裂劑破裂巖石或混凝土不失為一條捷徑。 - Through the theoretical and experimental study on rock breaking by submerged water jetting, taking rock breaking efficiency as goal function, the optimum jetting pressure was acquired to break rock.
本文通過對淹沒射流破碎巖石的理論及實驗研究，以破巖效率作為目標函數(shù)，得到射流破巖的最優(yōu)壓力條件。 - They were suspended from ropes as they used heavy air-powered hammers to break any loose rock away from the face of the canyon walls.
- This causes the rock to break, or fracture,releasing the gas.
- This year he completed what is believed to be the first ever fracture stimulation procedure in Turkey: injecting a mixture of water and sand at high pressure down the wells to break up rock and release gas.
FORBES: Magazine Article - The industry has boomed in recent years, thanks to a stunning expansion of drilling in previously untapped areas because of the use of hydraulic fracturing, or fracking, which injects sand, water and chemicals to break apart rock and free the gas inside.
NPR: EPA Methane Report Further Divides Fracking Camps - Though Sonic Youth never achieved mainstream pop-music success, its members are recognized as pioneers of the alternative rock scene — a band that helped break ground for groups such as Nirvana and Hole.
NPR: Sonic Youth: Story of a 'Kool Thing' 返回 break rock