niè hé xiàn
- line of action
- path of contact
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interrogative,
interrogative sentence,
interrogator,
interrogator-responder,
interrogator-responsor,
interrogator-transmitter,
interrogatory,
interrogee,
inter-row,
interrupt,
相似单词
啮合扣,
啮合力,
啮合平面,
啮合器,
啮合系数,
啮合线,
啮合长度,
啮合周期,
啮接,
啮蚀状的,