英语词汇“periphery hole, contour hole”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	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	line deflector coil line, delay line delay lined elbow line delete character line delete command line delete symbol line deletion line deletion character line-delivery carriage line delivery carriage line demodulator line densitometer line density line density selector line department line descriptor line design line detection line determination line development line device lined flange lined furnace lined garment

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