relay valve
Engineering
noun
A fluid valve in which the main flow is controlled by a diaphragm which is opened and closed by a weep derived from the main flow.
Origin
Late 19th century.
| 单词 | relay valve |
| 释义 | relay valveEngineering noun A fluid valve in which the main flow is controlled by a diaphragm which is opened and closed by a weep derived from the main flow. Origin |
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