英语词汇“periphery hole, contour hole”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	periphery hole, contour hole
释义	periphery hole, contour hole 周边眼；在井巷工作面为控制掘进断面周边而钻凿的炮眼。
随便看	entrance processes based risk model entrance prohibited entrance pupil entrance pupil plane entrance pupil point entrance pupils entrance pylon entrancer entrance radius of blade entraped penetrant entrap into entrapment efficiency entreat of Entre-Deux-Mers entree entree dish entrance ramp entrance ramp control entrance ramp marking entrance rate entrance ray angle entrance reflection Entrance Refused entrance region entrance registration