Valve Body, Cover, Tailpiece and Control Stop shall be in conformance with ASTM Alloy Classification for Semi-RedBrass.
阀体、阀盖、附属件和控制止回阀均符合美国材料试验协会ASTM的半红铜合金分类标准。
2
Several times a day, Devi drapes a red sari above her blue eyes, hoists a 2.5-gal. (10 l) brass vessel atop her head and walks to the nearest hand pump.