The test results and the main factors of influencing ash cutting, such as, particle velocity, property of ash cutting and particle size are discussed at length.
作者对试验结果及影响飞灰磨损的主要因素，如粒子速度、灰的磨损性能、粒度等进行了讨论。
Ash iron casting contain a lot of flake graphite, extremely easy cutting, commonly used to make a thick wall.
灰口铸铁中含有大量的片状石墨，极易切削，常用来制作厚壁件。
Under the effect of a large amount of fly ash treated by cutting, the wall surface will produce wear.
在大量飞灰长期反复切削作用下，管壁表面将产生磨损。
Under the effect of a large amount of fly ash treated by cutting, the wall surface will produce wear.
在大量飞灰长期反复切削作用下，管壁表面将产生磨损。
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