齿轮指形铣刀样板是加工大模数齿轮的主要辅助工具.The finger milling - cutter templet involute gear is the assistant tool mostly to machining big module gear.本文着重阐述了渐开线齿轮齿根过渡曲线的确定以及使用微机设计齿轮指形铣刀样板的方法.It is rapid and accurate in design and drawing ...
Operating systems can be brought to a halt by a Trojan Horse.操作系统可能会因为木马病毒的攻击而中止。Was Colombo the emissary of Pope Paul, his Trojan horse within the Commission?科隆博是教皇保罗的特使吗？是他在委员会内部设下的卧底吗？Both factions accused each other ...
英国于1971年开始使用十进制的1便士和2便士硬币。In 1971, the 1p and 2p decimal coins were introduced in Britain.他懂得十进制的用法.He knows the decimal rules.古埃及数学以十进制为基础。The mathematics of ancient Egypt were based on a decimal system....