It is an interesting as well as instructive program.
这个节目不仅有趣，而且很有教育意义。
This program can be easy to use in different conditions and it has the instructive significance in making the pin gear housing.
该程序使用方便，通用性强，对针齿壳的生产制造具有一定的指导意义。
The pumping speed is predicted according to the vacuum-pumping program, and it is very instructive and meaningful for choosing the vacuum pump in the succeeding phase.
最后针对此方案，对真空泵抽速进行了预测，这将对后续阶段真空泵的选型具有指导意义。
The pumping speed is predicted according to the vacuum-pumping program, and it is very instructive and meaningful for choosing the vacuum pump in the succeeding phase.
最后针对此方案，对真空泵抽速进行了预测，这将对后续阶段真空泵的选型具有指导意义。
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