decompression valve是什么意思 decompression valve怎么读
decompression valve的用法和样例
- Each instrument requiring an air supply shall be supplied with an individual combination air filter and relief type reducing regulator and an adjacent individual shutoff valve.
要求使用仪表风的每个仪表应配备单独的混合空气过滤器和泄压型调压阀及相邻的单独切断阀。
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