sealing layer 密封层 ; 防水层 ; 封装层
underwater gravel layer sealing 水下碎石垫层
PVC sealing layer PVC密封层
super bright wash-free sealing layer 超亮免清洗封层
Sealing Adhesion Layer Membrane 密封粘合层膜
up-sealing layer 上封层
Heat sealing layer 热封层膜
Composite sealing layer is a combination of connected gravel layer, gravel layer sealing systems, and Micro-surfacing (Slurry seal) system.
复合封层是碎石联结层、碎石封层系统和微表处(稀浆封层)系统的结合。
It consists of outer layer sealing constant temperature jacket, middle layer objective sleeve and inner layer as lens frame to partition and fix optical lens elements.
它由外层密封恒温外套、中间层镜筒、内层为分隔固定光学透镜元件的透镜框组件组成。
The waterproof layer of the lap joint should stick (welding) firm, tight sealing, no distortion, fold, curling and blister defects.
卷材屋顶防水层的搭接缝应粘(焊)结牢固，密封精密，不得有扭曲、皱折、翘边和起泡等缺陷。
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