A die casting die with pumping crossed cores by crossed compound dog-led cams and hydraulic pressure is used for cupulate parts with inboard concave.
交叉复合弯销与液压抽拔交叉型芯压铸模结构，用于压铸带内侧凹的杯形零件。
The design and its working principle of vertical feed mechanism in transplanter for rice seedling growing in cupulate compartment tray which made of straw were described in the paper.
介绍了一种新型纸盘水稻钵秧栽植机的纵向自动进给机构的方案设计和工作原理。
The design and its working principle of vertical feed mechanism in transplanter for rice seedling growing in cupulate compartment tray which made of straw were described in the paper.
介绍了一种新型纸盘水稻钵秧栽植机的纵向自动进给机构的方案设计和工作原理。
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