Working experience in mechanical designing and good oral and written English;
从事过机械设计具体工作，良好的英文说写能力；
It provides a theoretical basis for designing the mechanical seal ring equipment.
这为合理设计机械密封装置提供了理论依据。
It provides a theoretical basis for designing the mechanical seal ring equipment.
这为合理设计机械密封装置提供了理论依据。
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