The intake and exhaust shafts are geared to the rotor shaft and have at least one opening each that is aligned with the intake and the exhaust valve ports.
进气轴和排气轴用齿轮连接至转子轴， 并且进气轴和排气轴中的每一个都具有至少一个与进气阀口和排气阀口对准的开口。
The intake and exhaust valve opening times will overlap as RPMs rise, recycling some of the charge the outgoing air creates.
进气和排气的气门开合时间随着转速的提高相互交叠，循环着将废气排出。
Opening the intake valve before TDC and closing it after BDC increase the fill of air-fuel mixture in the cylinder.
在上止点前打开进气门并在下止点增大气缸内的油气混合物之后关闭。
The closing of the exhaust valve laps over the opening of the intake valve.
气门的 二种型式是：进气口和排气口。
The closing of the exhaust valve laps over the opening of the intake valve.
气门的 二种型式是：进气口和排气口。
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