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1.A substance, such as dried clay or cement, used to pack and seal pipe joints and other connections or coat a porous surface in order to make it tight.
封泥，水泥封涂一种物质，如晒干的粘土或水泥，用于绑裹和密封管道的连接处和其它连接点或覆盖以有孔的表面以使之牢固收藏指正
2.A fitted covering used to seal a well or large pipe.
封闭盖用以封闭井或大管子的盖子收藏指正
3.Based on cause analysis of perlite entering piston oxygen compressor with inlet gas,corresponding treatment measures are described.The seal gas of cold box was moved from nitrogen pipe to waste nitrogen pipe to prevent similar accidents.
分析了活塞式氧压机进气带珠光砂的原因,介绍了处理措施,把冷箱密封气从氮气管线上改到污氮管线上,以杜绝类似事故再次发生。收藏指正
4.Macromolecule oilproof liquild sealant is used for adhensive and seal of motor engines, cylinder botton, oil undeypan, steam inlet and outlet pipe ,gear shifting box, and gas thread.
高分子耐油液体密封胶，用于粘接和密封各种机动车辆发动机缸垫、油底盘垫、进排气管垫和变速箱底盘垫等及各种管道螺丝的密封。收藏指正
5.Design and Application of New Combined Pipe Head Seal With Fully Enclosed Knif Edge
新型全封闭刀口联合式管口封的设计及应用收藏指正
6.Lie Li dual purpose mute clack it me factory by oneself compose,Domestic initiate renew change take the place of latest patent product,Seal up principium consist bring Chuei facial valve petal and line seal up valve cone each other anastomose,Rebound sex good,Deal wit market up lie Li dual purpose clack make use of plastic loop seal up and causation No,the defect of hold at heat,Basedo on adopt line seal up ,Consequently leak-tightness Neng good,Hold at heat,Endure burning-in life, Lie stand pipe road Tu can furnish,Furnish self closing function usable Yu oil.Chemical industry.
卧立两用静音止回阀是我公司自行设计，国内首创更新换代的最新专利产品，密封原理是由带锥面的阀瓣与线密?阀座相吻合，回弹性好，克服了市场上卧立两用止回阀使用塑料圈密封而导致不耐高温的缺点，由于采用线密封，因而密封性能好，耐高温，耐使用寿命，卧立管道都可安装，具备自动关闭功能。收藏指正
7.Enamel color pipe brush，which is national treasure, museum collected with painting of flower and birds, Chia-Ching seal, government kiln products.
藏品描述：珐琅彩，花鸟管笔，国宝，馆藏级，嘉庆款，官窑制品。收藏指正
8.Pipe &hose assembly is convenient and double-quick when assembly.There are three seal grooves at tube end for reducing leakage rate of refrigerant .
管路总成装配方便、快捷，接头处三道密封槽，减少了制冷剂的泄漏。收藏指正
9.Teflon-lined pipe, casing, Elbow, the three exchanges or four, size head, cylinder, air compressor - oxygen-ring, gasket seal ring and auto parts.
聚四氟乙烯内衬直管，套管，弯头，三通，四通，大小头，筒体，空压机-制氧机-活塞环、密封圈和汽配封圈。收藏指正
10.Note: When valve is installed above a horizontal line or on a vertical line, on steam service, equalizer pipe must have a water seal loop.
注：如果在蒸汽应用场合，阀门安装在水平管道的上方或在垂直管道上，则必须配置平衡管以形成水密封回路。收藏指正
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