油封密封圈骨架64X80X10
双轴气缸90100TN50
密封圈油封64x80x1364x85x10
油封密封圈63x100x1063x100x13
油缸密封圈油封un64x80x10
油封骨架螺纹耐磨
气缸2025XYGM64