Britain's policy brass tend to see a flexible exchange rate as a useful safety valve.
英国的政策基调倾向于把弹性汇率当作有用的安全阀。
Primary uses for wrot brass are for ball valve stems and balls, and iron valve stems. a forging grade of brass is used in ball valve bodies and pieces.
黄铜的主要用途是球阀阀杆和球体，和铸铁阀门的阀杆。可锻黄铜可用于球阀阀体和断口部件。
We specialize in making a wide range of ball valves, brass ball, brass ball valve, ball valves accessories, ball valves manufacturers.
基元铁工厂制造铜球铜球阀，球阀，铜球，铜球阀，球阀，不。
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