pulsation theory of variable stars
变星的理论
pulsation theory of variable stars
变星的理论
The "bevelment" problem which occurs frequently during sawing by the fly-saw in 219 mills is examined carefully.It is due to excessive radial pulsation and inferior rigidity of the saw.
对219机组中飞锯锯切时常出现的“口”问题进行了仔细的排查,认为锯片的径向值过大和刚度较差是产生切的关键。
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