短语词组短语metering pin carburetor roll 长度计量辊Broken of pin roll 销轴损坏double pin roll 双齿辊Pin Si Prawn Roll 品食虾枣Roll Pin 滚销;空心定位销;辊子销;辊针sensor roll pin stop 传感器滚销挡块roll pin stop 滚筒销挡块dual roll pin 缓冲簧定位栓roll pin lock 滚筒销锁紧 返回 pin roll