Blowdown of a safety valve的意思|示意
美 / /
英 / /
启闭压差
Blowdown of a safety valve的网络常见释义
启闭压差 放空阀 emptying valve 波纹管平衡式平安阀 bellows seal balance safety valve 启闭压差 blowdown of a safety valve 旋启多瓣式止回阀 multi-disc swing foot valve ..