单词	star ratchet wheel
释义	star ratchet wheel 星形锯齿轮
随便看	displacement output displacement pack displacement pantograph mechanism displacement parameter displacement parameters displacement part of hull displacement pattern displacement-pattern displacement-penetration method displacement period displacement, phase displacement-phase space reconstruction displacement phase transition displacement phenomenon displacement phosphate displacement pick-off displacement pickup displacement pick up displacement pick-up displacement pile displacement pipeling MAC displacement placentogram displacement plan displacement plane displacement platform