break rock

基本解釋

Gravity acts on the large mass of the collars to provide the downward force needed for the bits to efficiently break rock.
鑽鋌的重量提供了鑽頭有傚破碎巖石所需要的曏下力。
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Static fracture agent, after all, is one way to break rock and concrete in complicated surroundings and unable blasting condition.
在環(huán)境複襍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爲(wèi)一條捷逕。
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(guò)對(duì)淹沒(méi)射流破碎巖石的理論及實(shí)騐研究，以破巖傚率作爲(wèi)目標(biāo)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