“screw spike”的概念、定义、翻译、参考文献-科学参考

单词	screw spike
释义	screw spike [`skrü ´spīk] ^{DESIGN ENGINEERING} A large nail with a helical thread on the upper portion of the shank; used to fasten railroad rails to the ties.
随便看	boletic acid bolide boll bollard boll rot boll weevil boll-weevil hanger bolograph bolometer bolometric correction bolometric magnitude bolometric neutrino detection bolson bolster bolster plate bolt bolt blank bolted joint bolted rail crossing bolt face bolthole bolting bolting cloth bolt sleeve boltwoodite

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