Valves with threaded-in strength welded seats offer an additional level of safety against fugitive emissions.
带有螺纹旋进强度的焊接阀座能够为短时排放提供更高水平的安全性能。
Velan now offers standard cast steel bolted bonnet gate and globe valves qualification tested for compliance with EPA fugitive emissions regulations.
我们现在能够提供标准铸钢螺栓阀帽闸阀和截止阀，这些阀门都通过符合EPA短时排放规定要求的鉴定测试。
Regulatory agencies in both the us and Europe are tightening controls on fugitive emissions, such as equipment leaks, as opposed to point-source emissions from reactor vents or boiler exhaust stacks.
美国和欧洲监管机构正在加紧对过度排放的控制，例如设施泄漏，监控反应堆通风口及锅炉点源排放的废气。
The EPA tagged the county at the end of 2006, after pollution from particulates - known to experts as "fugitive dust" - exceeded the emissions standard for two years running.
环保署选中2006年底选中该镇，当地两年来微粒污染(专家称之为“浮沉”)超过了排放标准。
The EPA tagged the county at the end of 2006, after pollution from particulates - known to experts as "fugitive dust" - exceeded the emissions standard for two years running.
环保署选中2006年底选中该镇，当地两年来微粒污染(专家称之为“浮沉”)超过了排放标准。
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