三氧化硫 meaning in English
sulfur trioxide
sulfur-trioxide
sulfuric acid anhydride
sulfuric anhydride
sulfuz trioxide
sulphur trioxide (so3)
sulphurtrioxide（so3）
Examples
- Methods of test for sulphuric acid , oleum and liquid sulphur trioxide
硫酸.发烟硫酸及液态三氧化硫试验方法 - Free sulfur trioxide
游离三氧化硫 - Phosphate rock and concentrate - determination of sulfur trioxide content - gravimetric method
磷矿石磷精矿中三氧化硫含量的测定重量法 - Workplace air - determination of sulfuric acid and sulfur trioxide - barium chloride turbidimetric method
车间空气中硫酸及三氧化硫的氯化钡比浊测定方法 - Standard test method for determination of organically combined sulfuric anhydride by titration , test method a
用滴定测试法a测量有机合成三氧化硫的标准试验方法