Polyurethane foam, more stable pressure box, insulation performance is better.
聚氨脂高压发泡，箱体更稳固，保温性能更好。
By such means as changing the diameter ratio of the box and pipe and the volume of the stable pressure box, the effect of the box in different situations is contrasted.
通过改变稳压箱阻尼管的直径比、稳压箱的容积等方法，比较了稳压箱在几种不同情况下的稳压效果。
The effect of stabilizing pressure of a stable pressure box with damping line of the air flow is studied in order to measure the pulsate flow ability of air at the intake and exhaust pipes of engine.
为了测量发动机进、排气管内气流的脉动流动特性，对自行设计的对气流起稳压作用的阻尼稳压箱进行了研究。
A small tank inside the control box guarantees stable spray pressure and the use of one way and electronic valves allows spraying to be stopped immediately without continued dripping.
控制箱内有一个小的箱体，能保证稳定的喷雾压力，使用单向阀和电磁阀，这样就允许可以立即停止喷雾而没有雾滴继续滴落。
Box under the bed to provide a stable with some pressure on the Wind Room.
下箱体为床层提供了一个稳定的具有一定压力的风室。
Box under the bed to provide a stable with some pressure on the Wind Room.
下箱体为床层提供了一个稳定的具有一定压力的风室。
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