Some natural fiber like silk, wool is not suitable for high temperature, and cotton are too afraid.
有些天然纤维像丝、毛就不适合太高温，而棉麻则又不怕了。
The exhaust temperature is too high, because the air valve in the component such as often, high accident rate, not damage suitable for a long time.
该机由于排气温度过高，导致气阀等零部件经常损坏，事故率高，不适合长时间运行。
Duishui can use ordinary clean water, dirty water, bitter salty (calcium and magnesium content is too high) the water is not suitable for use.
兑水使用一般干净的自来水即可，脏水、太苦太咸(钙、镁离子含量太高)的水不适合使用。
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