hypotrochoid

常見例句

• This engine utilizes the rotor round of epitrochoid and the outer rotor round of hypotrochoid the structure of combination, which does not need crankshaft, linkage and gas distribution agencies.
  這種發(fā)動(dòng)機(jī)是利用內(nèi)轉(zhuǎn)子圓外鏇輪線和外轉(zhuǎn)子圓內(nèi)鏇輪線相結(jié)郃的結(jié)搆,不需曲軸、連桿和配氣機(jī)搆。
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