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.
夹阀适用于腐蚀性液体，高纯度的应用，或用颗粒流体。
Pinch valves are suitable for corrosive fluids, high purity applications, or fluids with particulate.
但是对于污水或生活污水应用领域，冷却套通道由于淤积固体颗粒、油脂、腐蚀等等却极易发生堵塞。
For dirty water or sanitary sewage applications, clogging of the cooling jacket passages can easily occur due to a build-up of solids, grease, corrosion and other matter.
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