rock-fragment sandstone 巖屑砂巖rock-fall impaction [交通運(yùn)輸工程]落石沖擊rock-face (n.) rock-face n.巖石立面rock-drill steel 釬子鋼rock-cut adj.從巖石中挖掘出來的rock-crusher n.碎石機(jī)rock-core borer [經(jīng)濟(jì)學(xué)]巖心鉆機(jī)rock-climbing sport [體育]攀巖運(yùn)動(dòng)rock-climbing course [體育]攀巖課程rock-climbing n.攀登巖壁；爬巖術(shù)rock-chemistry 巖石化學(xué)rock-candy (n.) rock-bursting 沖擊礦壓rock-burst forecast [交通運(yùn)輸工程]巖爆預(yù)測rock-bound adj.多巖的；被巖石包圍的；頑固的；僵硬的rock-bottom price 最低價(jià)（等于rock price）rock-bottom (adj.) rock-bottom adj. 底層的；最低的 n. 最低點(diǎn)rock-bolt crane beam [水利工程]巖錨吊車梁