介绍了气辅注射成型过程概述及其一般应用范围，重点论述了气辅注射成型模具进气针结构设计。
Gas aid injection moulding procedure is summarized and its applying area is introduced, as well as, injector structural design of gas injection moulding mold is mainly stated.
介绍了气辅注射成型过程概述及其一般应用范围，重点论述了气辅注射成型模具进气针结构设计。
Gas aid injection moulding procedure is summarized and its applying area is introduced, as well as, injector structural design of gas injection moulding mold is mainly stated.
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