多层牛皮纸防潮层
polykraft moisture barrier
沥青防潮层
asphalt dampproof course
asphalt damp-proof course
PAFCⅠ型铝塑复合防潮胶膜
PAFC Ⅰ type compound dampproof material with aluminum foil
保温层防水
thermal insulation water-proof
层层设防
setting up successive lines of defence
齿条位置传感器防潮湿密封
rack position sensor damping seal
单层防火玻璃
the single panel fire-resistant glass
单层土工膜复合防渗衬层
single layer geomembrane composite anti-seepage lining
迭层防水织物
laminated water-proof fabric
断层防水煤岩柱
fault waterproof coal rock pillar
断路器机构箱的防潮
Moisture Proof for Breaker Mechanism Box