Resin sand mould was adopted with precoated sand core. The upper and bottom half boxes used horizontal pouring design with box middle line as parting face.

采用树脂砂砂型、覆膜砂砂芯，上、下两个箱体均采用平做平浇的工艺方案，并选取箱体中线为分型面。

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Resin sand mould was adopted with precoated sand core. The upper and bottom half boxes used horizontal pouring design with box middle line as parting face.

采用树脂砂砂型、覆膜砂砂芯，上、下两个箱体均采用平做平浇的工艺方案，并选取箱体中线为分型面。

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