D11D磨煤机防爆
Precaution Against Explosion in D11D Pulverizer
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
防爆手动小车
Ex hand operated crane carriage
港口机械防腐
port machinery anticorrosion
机械防砂装置
mechanical sand retention device
机械防缩机
compressive shrinkage machine
compressive shrinker
compressive shrinkage range
compressive shrinking range
机械防缩加工
mechanical shrinkproofing
machine shrunk