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。

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All the parts of the diesel are fixed on the cylinder block, the structure, shape and the loads of the block are very complex.

机体是柴油机各零部件的安装基础，结构、形状和作用载荷十分复杂。

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The plot structure is put in orbit straight sections of track, wedge, pushing cylinder block, closing switching are installed along the forward direction.

其结构是在积放轨道的直轨道段上，沿前进方向分别安装楔块、推块气缸、接近开关。

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