Most Balancing Valves are globe style and incorporate a parabolic (plug) shaped disc.

大部分平衡阀采用截止阀结合抛物线(插塞)阀瓣。

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The Fig. 1710 Balancing valve is a non-rising stem design incorporating a parabolic (plug) shaped disc.

型号1710平衡阀为暗杆结构，配置抛物线（塞）形阀瓣。

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Google is testing a fleet of plug-in hybrids and software that would turn them into load-balancing tools for utilities flooded with variable power from wind and solar generators.

FORBES: DOE's $30 Billion Man Speaks