油管: oil pipe密封: seal; seal up; seal airtight ...坏密封组件: assembly number shaft mechanical seal密封组件: potted assemblies; seal assembly; seal set; set of seals油管密封脂: tubing seal grease油管密封座: tubing seal seat油泵吸油管密封片: oil pump suction pipe gasket油管密封分配器: tubing seal divider打捞筒油管密封分压器: overshot tubing seal divider管密封: seal of tube; tube packing密封组合件: seal assembly波纹管密封: bellow seal; bellows seal热管密封: sealing of heat pipe套管密封: casing packer; casing seal; seal by sleeve套管密封件: casing seal波纹管密封阀: bellow sealed ale; bellow sealed valve波纹管密封式: bellows seal type尾管密封装置: stern tube sealing紧密连接密封组分: tight junction sealing element波纹管密封上阀盖: bellows seal bounet波纹管密封闸门阀: bellows sealed gate valve检查隔水管密封圈: check the seal ring of the conductor拉线导管密封环: cable guide gaskt排气歧管密封片: exhaust manifold gasket气门导管密封装置: valve guide seal