防爆防腐
explosion proof and corrosion protection
防爆防火灭火装置
explosion-proof and fireproof and fire extinction device
防水、防震、防磁
waterproof
shock-resistant and antimagnetic
防震防飞散
controlling fly rocks and decreasing vibration
复合防爆剂
compound anti-blasting material
内燃机防爆剂
antiknock substance for internal combustion engine
除草剂混剂
herbicide combination product