是否有轮椅专座呢？
Carbo valve seat Grinding Wheel is used mainly for valve seat grind in an engine.
汽门座研磨砂轮主要用于引擎中汽车门座研磨。
Observe the orientation of the wheel and the seat tube; they should both be parallel.
观察方向的车轮和座位，他们都应该是平行的。
Thedriver's seat isn't ideal because of the steering wheel.
司机的位置就不那么理想了——因为有个碍事的方向盘。
Thedriver's seat isn't ideal because of the steering wheel.
司机的位置就不那么理想了——因为有个碍事的方向盘。
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