油封骨架190x240x18200x240x18
螺栓六角螺丝12.9
油封骨架215x240x12210x245x16
氟胶油封骨架200X240X16
油封密封圈骨架200
氟胶油封骨架235
油封骨架165x195x16165x195x18
油封骨架225X260X18230x265x18
丁腈橡胶密封圈油封骨架
丁腈橡胶油封骨架200x240x16
油封耐高温氟胶密封圈
磨毛被罩加厚被套