常見例句Applicable to acid (except vaporish acid),alkali, ammonia, vapor, oil, organic solvent ,chemistry corrosiveness, filling airtight of rotary pump. 適用酸（除發(fā)煙硫酸外）堿，，氨，蒸氣，油品，有機溶劑，化學腐蝕性介質的各種旋轉泵，閥門的填料密封。 返回 vaporishness