For specific performance data and proper material selection, consult your Velan representative.
如果需要特定的性能数据和进行适当的材料选型，请与我们联系。
The paper explains the working environment and wear mechanism of valve retainer. The key factors for superior valve retainer quality are the proper material selection and reasonable part design.
阐述了气门座圈的工作环境和磨损机理，高品质气门座圈的关键在于恰当的材料选择和零件的合理设计。
Service temperature should be considered in selection of the proper thermoplastic valve material for the application.
在实际应用中选择适当的热塑性塑料阀门材质时应该考虑工作温度。
The key of improving punching accuracy and utilization ratio of material will be proper selection and design of positioning system and devices of feeding of punching die.
正确选择与合理设计冲模送进条(带)料及半成品的定位机构与装置是提高冲压精度和材料利用率的关键环节。
The proper interpass temperature is required to prevent cold and hot cracking as well as the proper selection of welding filler material, to produce the proper creep resistance and toughness.
需要适当的程间温度和正确选择填充金属材料来防止冷热裂缝，产生适当的蠕变阻力和韧性。
Proper selection of? The die material and of the die manufacturing technique determines, to a large extent, the useful life of forging dies.
能否恰当的选择铸型材料和铸型生产工艺很大程度上取决于锻模的使用寿命。
Further improvement of infiltration process and the selection of proper infiltration alloys must be undertaken before this material is put into application.
该材料应用前须进一步改善压渗工艺，并选择合适的压渗合金。
Almost any desired coating performance parameter can be attained by proper selection of raw material building blocks.
通过适当选择原料结构单元，几乎可以得到任何期望的涂布性能参数。
Almost any desired coating performance parameter can be attained by proper selection of raw material building blocks.
通过适当选择原料结构单元，几乎可以得到任何期望的涂布性能参数。
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