The mechanic part principle is same with normal spring pipe meter.
仪表机械部分的作用原理与一般弹簧管压力表相同。
A spring keeps valve in the normal flow position.
弹簧能够使阀门保持在正常流量位置。
Nothing serious. This is normal. The Spring Festival is coming. We wait for you here.
不要紧。这正常。春节来了。我们在这等你。
The average temperature this spring is below normal.
今春平均气温比正常偏低。
The average temperature this spring is below normal.
今春平均气温比正常偏低。
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