Therefore, V-type valve in the wide range of rate changes to provide precise control.
因此V型阀可以在广幅的变化范围内提供精确的控制。
V-type electric control valve for regulating the pressure medium in pipelines and flow.
电动V型调节阀用于调节管路中介质的压力及流量。
The spectrum of the micromaser injected with ultracold V-type three-level atoms is studied.
建立了超冷V型三能级原子注入的微脉塞的量子理论。
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