schematics - railway rifle
『转帖』英语中常见的谚语 ... Content is better than riches. 知足者常乐 Count one';s chickens before they are hatched. 蛋未孵先数雏 Courtesy on one side only lasts not long. 来而不往非礼也 ...
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schematics - railway rifle
原理图-铁路步枪
以上为机器翻译结果，长、整句建议使用 人工翻译 。