“patch bolt”的概念、定义、翻译、参考文献-科学参考

单词	patch bolt
释义	patch bolt [`pach ´bōlt] ^{DESIGN ENGINEERING} A bolt with a countersunk head having a square knob that twists off when the bolt is screwed in tightly; used to repair boilers and steel ship hulls.
随便看	end printing end product end-product inhibition end radiation endrin end section end sentinel end stone end stop end turning endurance endurance limit endurance ratio endurance strength end user en echelon en echelon fault blocks enema energetics energetic solar particles energized energy energy absorption energy balance energy band

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