并用它表征塑性材料的抗磨性能。该系数可直接应用于计算燃煤锅炉对流受热面的安全烟速。
The coefficient can be indicative of the material abrasion resistance properly and directly used to calculate the safety gas velocity in the convection heating surface of coal-fired boilers.
检查一下烟警报器、二氧化碳警报器和安全警报器，保证其工作正常。 即便是它们现在仍能工作，给它们换换电池也是个不错的主意。
Test smoke, carbon monoxide and security alarms to make certain they work it’s a good idea to replace batteries even if they are still working.
警报器。检查一下烟警报器、二氧化碳警报器和安全警报器，保证其工作正常。即便是它们现在仍能工作，给它们换换电池也是个不错的主意。
Alarms. Test smoke, carbon monoxide and security alarms to make certain they work it's a good idea to replace batteries even if they are still working.
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