It provides unparalleled environmental performance in the control of temperature, humidity, air velocity and light intensity.
它提供了极佳的环保性能，能够进行温度，湿度，风速和光照强度控制。
In such cases, no pollution control expenditures would show up in the accounts, yet environmental performance might be better than in a case where expenditures do show up.
在如此的情况，没有污染控制开支会在帐户中出现，然而环境的表现可能是比较好的超过在一个开支确实出现的情形中。
They help process plants to meet environmental regulations by using control valve constructions that provide superior performance, reliability and control accuracy.
它们通过使用控制阀结构，提供卓越的性能，可靠性和控制精度，来帮助处理厂满足环保法规。
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