短語詞組短語core -pin 成孔銷Slide Core Ejector Pin 滑塊頂出桿CORE INSERT PIN 公模心子core pin x 心銷core pin opening 成孔銷插孔core pin design 核栓設(shè)計(jì)Pendulum Core Pin 搖擺中心銷horizontal core pin 水平芯桿core pin retainer plate 成孔銷固定板 返回 core pin