“pitman”的概念、定义、翻译、参考文献-科学参考

单词	pitman
释义	pitman [`pit·mǝn] ^ENGINEERING 1. A worker in or near a pit, as in a quarry, mine, garage, or foundry. 2. On a pumping unit, an arm connecting the crank with the walking beam for converting rotary motion to reciprocating motion. ^{MECHANICAL ENGINEERING} In an automotive steering system, the arm that is connected to the shaft of the steering gear sector and the tie rod, and swings back and forth as the steering wheel is turned. Also known as pitman arm.
随便看	towrope horsepower towrope resistance tow target toxa Toxasteridae toxemia toxemia of pregnancy toxic toxic amaurosis toxic goiter toxic hepatitis toxicity toxicology toxicophobia toxic psychosis toxicyst toxigenicity toxin Toxodontia Toxoglossa toxoglossate radula toxoid Toxoplasmea Toxoplasmida toxoplasmin

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