According to the DISA technical design Standard and our experience, we use chocked-unchocked gating system to design the complex structure and high-strength technical system of QD90 Cylinder Block.
参照DISA工艺设计标准并结合公司以往经验，使用封闭一开放式浇注系统设计出结构复杂、高强度的QD 90缸座铸件的工艺系统。
Cylinder head is one of the largest and the most complex parts in an engine.
气缸盖是发动机中最大、最复杂的零部件之一。
This paper introduces numerical control programming and how to use macro program to make numerical processing of complex the out of round curve cylinder.
本文讨论了数控加工宏程序编制的注意事项，介绍了利用宏程序进行复杂非圆曲线柱面数控加工的程序编制实例。
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