“horseback”的概念、定义、翻译、参考文献-科学参考

单词	horseback
释义	horseback [`hȯrs´bak] ^GEOLOGY A low and sharp ridge of sand, gravel, or rock. ^{MINING ENGINEERING} 1. Shale or sandstone occurring in a channel that was cut by flowing water in a coal seam. Also known as cutout; horse; roll; swell; symon fault; washout. 2. To move or raise a heavy piece of machinery or timber by using a pinch bar as a lever. Also known as pinch.
随便看	cloaca cloacal bladder cloacal gland clobber Clock clock clock control system clock drive clocked flip-flop clocked logic clock frequency clock method clock motor clock oscillator clock paradox clock pulses clock rate clock signals clock star clock time clock track clock watch clockwork clod clog snow

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