The bypass ports are cut into the cylinder just below the exhaust ports and the transfer channels are formed by a hollow between the steel cylinder and the aluminum spacer ring.
绕道港口切割成气缸仅低于排气口和转移的渠道，形成由一个空心之间的钢瓶和铝间隔环。
The bypass ports are cut into the cylinder just below the exhaust ports and the transfer channels are formed by a hollow between the steel cylinder and the aluminum spacer ring.
绕道港口切割成气缸仅低于排气口和转移的渠道，形成由一个空心之间的钢瓶和铝间隔环。
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