The control circuit and test results of heat film mass air flow counter are given.
本文给出了热膜式空气流量计的控制电路和试验结果。
FT Series towers are of a counter flow design, carefully engineered with the optimum combination of heat transfer media, uniform air flow and even water distribution.
该产品属于逆流设计，采用最好的热传递介质，提供统一的空气流量和水质分配。
On its basis, QLM series fluidized-bed counter impact air-flow mills were developed.
在此基础上设计并开发了QLM系列微型流化床对撞式气流磨。
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