The diameter of post is 54MM, and with special designed needle plate suitable for stitching the small-curved portion.
釜座直径为54MM，且采用特殊设计的针板，可适用于缝制具有小曲度的物品；
About the role players to control movement through the plate, needle plate, shell plate, rolling, etc. transitional realize downstairs.
玩家控制角色左右移动，通过平板，针板，弹板，滚板等的过渡实现下楼。
L-M Method and Charge Simulation Method are both used for the analysis of electrical field distribution in a needle plate electrode system.
本文采用拉麦方法，理论分析了针-板电极的电场分布。
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