valve body, cover, tailpiece and control stop shall be in conformance with astm alloy classification for semi-red brass.
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。
'My plane had a problem,' the French president told the chancellor in English, as Ms. Merkel took his arm and guided him down the red carpet past the brass band.
奥朗德用英语对默克尔说:我的飞机出了问题。默克尔握住他的手臂,引着他走过红毯,走过军乐队。
surface disposal: brass, red antique copper, bronze.
表面处理:黄铜、红古铜、青古铜。
Number 30 has a red door and a brass knocker.
30号有一扇红门和一幅铜门环.
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