管子另一端是小空调排气孔，上面可以装上一只玩偶，玩偶不但固定了管子，还装点了婴儿车。
An air vent connected to the other side of the pipe is fitted with a puppet so it can be propped inside, looking like just another of baby's stuffed toys.
冷却器的排气应由端盖上的排泄螺塞孔进行。
本文是引用新的物理量后，建立了柴油发动机排气压力波气缸端新的边界方程序。
Equations of the boundary conditions at the end of the exhaust pipe have been rewritten after introducing new variables.
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