The sawing speed curve is unchangeable, but the feed speed curve can be different with different length ratio of members of the feeding mechanism.
锯切速度曲线是不可变的,但进给速度曲线随进给机构杆长比的不同而变化。
The question about the seals of high speed churn shaft with large ratio of length to diameter is one of the difficult problems.
高速大长径比搅拌轴密封可靠性问题,一直是从事密封工作者探索的问题之一。
To avoid the most dangerous resonance, the first vertical frequency of the bridge should be greater than the ratio of the maximum vehicle speed to the vehicle length in design.
为避免桥梁共振,设计时应满足第一阶竖向自振频率大于车辆最大速度与车辆长度的比值。
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