有巨大微酸箭头形叶子的欧洲酸模，遍布于北温带地区，做色拉和春季草地。

European sorrel with large slightly acidic sagittate leaves grown throughout north temperate zone for salad and spring greens.

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修改的口模出口据称可以减少口模积料，包括一种方形陡出口、尖形陡出口、弧形过渡形出口、外扩台阶出口、内扩台阶出口、外展形出口(见图)。

Modified die exits that claim to decrease die buildup include a sharp square exit, sharp pointed exit, radiused exit, outward-stepped exit, inward-stepped exit, and outward-flared exit (see diagram).

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分析了高压涡轮冷却外壳的成形工艺，并介绍了聚氨酯胀形模的结构设计和模具工作过程以及模具调试改进。

The forming technology of skin-cooling high pressure turbine was analyzed, introduced polyurethane bulging die structure design and the working process and die debugging improvement.

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