无水无灰煤
moisture and ash-free coal
moisture ash free coal
表面防水
water repellent
water repellent treatment
表面防水处理
surface water repellent treatment
单层屋面防水系统
single membrane roof waterproofing system
防水、防震、防磁
waterproof
shock-resistant and antimagnetic
防水防潮
water and moisture proofing
防水防尘布
waterproof and dustproof cloth
防水防腐
waterproofing and anti-corrosion
waterproof and anticorrosion
防水防腐胶泥
antiseptic and waterproof mortar
防水防腐涂料
waterproof and resistance corrosion coating
防水防汗
waterproof and sweatproof