密封: seal; seal up; seal airtight ...管密封: seal of tube; tube packing波纹管密封: bellow seal; bellows seal套管密封: casing packer; casing seal; seal by sleeve套管密封件: casing seal油管密封脂: tubing seal grease油管密封座: tubing seal seat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油管密封组件: tubing seal assembly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尾轴管密封油泵: stern tube seal oil pump尾轴管密封装置: stern tube seal system油泵吸油管密封片: oil pump suction pipe gasket油管密封分配器: tubing seal divider坏密封和波纹管密封: dynamic seal―mechanical波纹管密封的闸板阀: bellows sealed gate valve波纹管密封型上阀盖: bellows seal bonnet打捞筒油管密封分压器: overshot tubing seal divider