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塑料齿轮
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塑料齿轮
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plastic gear
塑料齿轮
以人工合成高分子化合物(又称树脂)为主要成分,添加各种不同功能的辅助材料(又称助剂、添加剂)后经混炼而成的高分子化合物为材料制作而成的转齿轮。
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Sir Gawain and the Green Knight
Sir Geoffrey Rudolph Elton
Sir Geoffrey Wilkinson
Sir George Cayley
Sir Halford John Mackinder
Sir Hans Wolfgang Singer
Sir Harold Walter Kroto
Sir Henry Cliffard Darby
Sir Herbert Butterfield
Sir Hersch Lauterpacht
Sir Hiram Stevens Maxim
Sir Humphry Davy
Sirian companion
siriometer
Sir Isaac Newton
Sirius
Sirius satellites
Sir J.J. School of Art,Bombay
Sir John Hubert Marshall
Sir John Soane's Museum
Sir John Warcup Cornforth
Sirkka Turkka
Sir Louis-Hippolyte LaFontaine
SIR man-machine dialogue system
Sir Martin Ryle
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