The valve stem and sealing surfaces are completely protected from dirt and corrosion by the stem cap, whether the valve is in an open or closed position.

不管是在阀门开启位置，还是关闭位置，阀杆和密封面有阀杆盖帽的保护，能防止污物入内，防止腐蚀。

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In an effort to stem capital flight, which has been rampant in France, the government plans to cap income taxes at 50%, from more than 60% now.

FORBES: Vive la Difference