“sprag”的概念、定义、翻译、参考文献-科学参考

单词	sprag
释义	sprag [sprag] ^ENGINEERING A stake used as a brake for a vehicle by inserting it through the spokes of a wheel or digging it into the ground at an angle. ^{MINING ENGINEERING} A prop supporting the roof or ore in a mine.
随便看	skip logging skip mark skip-searched chain skip shaft skip trajectory skip vehicle skip zone skiron skirt skirting skirting block skirting plate pulsation dampening pulsation welding pulse pulse altimeter pulse amplifier pulse amplitude pulse-amplitude discriminator pulse-amplitude modulation pulse-amplitude modulation-frequency modulation pulse analyzer pulse bandwidth pulse beating pulse cable

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