Applying sealants to concrete moat surfaces and sealing any moat openings.
用密封涂料密封壕沟表面和密封任何壕沟的开口。
2
This paper explains the sealing principle, discusses the sealing principle of different sealing materials and the concrete forms of sealing construction and gives a specific design example.
阐述了密封原理，讨论了不同密封材料的密封机理和密封结构的具体形式，给出了具体的设计实例。
3
Used for the waterproof sealing on concrete wall panel slab ventilation pipes the light weight panel products window and doors of metal products asbestos boards gypsum board wood plastic etc.