External balanced thermal expansion valve works is based on the basis of force balance.
外平衡势热力膨帐阀的工作原理是建立在力平衡的基础上。
The Model 10bp USES a force balance principle to open the relief valve and vent the system pressure when the set point is exceeded.
示范10BP使用力量平衡的原则，以打开安全阀和通风系统压力设定点时超出。
The Model 10bp USES a force balance principle to open the relief valve and vent the system pressure when the set point is exceeded.
示范10BP使用力量平衡的原则，以打开安全阀和通风系统压力设定点时超出。
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