硅和钼、钨、铬等分离，有进步抗腐蚀性和抗氧化的作用，可制造耐热钢。

Silicon and molybdenum, tungsten, chromium and other separation, has improved corrosion resistance and anti-oxidation effect, can produce heat-resistant steel.

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和隔膜泵相比，单螺杆泵可输送各种混合杂质，含有气体及固体颗粒或纤维的介质，也可输送各种腐蚀性物质。

And diaphragm compared to single-screw pump can transport all kinds of mixed impurity containing gas and solid particles or fibers of the media, but also transport all kinds of corrosive substances.

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固定的装置不能有腐蚀性的物质，一般自带螺钉，可焊接的螺钉，防滑拴和夹子。

Fasteners should be no corrosive and may consist of self-taping screws, weldable studs, cleats, and clips.

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