英语词汇“periphery hole”的中英文释义、用法、翻译及短语词组-英汉翻译词典

单词	periphery hole
释义	periphery hole 英?[p??r?f?ri: h?ul] 美?[p??r?f?ri hol] 释义周边孔行业词典冶金学周边孔??? 煤炭周边眼???又称 :周边眼(contour hole)???在井巷工作面为控制掘进断面周边而钻凿的炮眼。???
随便看	plug to stop controller plug trip plug tube-rolling mill plug two-phase flow plugtype plug-type plug type plug-type area meter plug type connector plug type fuse plug-type insert plug type nozzle plug-type pneumatic conveyor with side air pipe plugtype pycnometer plug type pycnometer plugtype pycnometre plug type pycnometre plug-type pyenometer plug type quick coupler plug-type rail bond plug type rail bond plug type resistance bridge plug-type resistance bridge plug type resistor plug typeresistr

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periphery hole