sealing run meaning in English

衬底捍
封底焊道

Suitable for the welding and sealing run of various plates of stainless steel , carbon steel , alloyed steel copper titanium . strangler and other transport pipes of various kitchen tools food machine and cooler , car repair , outer machine , handicraft and other general manufacture
适用于不锈钢、碳钢、合金钢、钛等各种板材的焊接和封底焊及各种厨房用具、食品及冷冻机器喉管及其它输送管道、汽车修理、机器外设、手工艺品及一般制造。