... 辅机排气系统 auxiliary exhaust range 废气排气系统 exhaust emission suction system ; exhaust emi ion suction system 工艺排气系统 Exhaust System ...
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通过改进浇注系统，特别是采取在进、排气道芯砂中添加特殊抗脉纹添加剂及在砂芯表面涂刷烧结型涂料等工艺，有效地预防和消除了脉纹缺陷。
Veining defects have been effectively prevented and eliminated by improvement on gating system, especially by special additive to core sand and sinter coating on surface of sand core.
全面地阐述了排气台的系统结构、工艺过程、工作原理及程序的实现；
The structure, process, function and programme of the automatic exhaust system are comprehensively described.
介绍了精密注射成型的特点，阐述了精密注射模排气系统的各种设计方法 ，特别是分型面上排气槽的开设原则和设计工艺参数。
New injection molding technologies including precision injection molding technology are developing with the requirements of high quality of injection molding parts.
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