您要查找的是不是：
- 进口SO2浓度 initial concentration of SO2
- SO2浓度 SO2 concentration
- 进口 import
- 低SO2浓度 low SO2 concentration
- SO2浓度监测 detection of SO2 concentration
- 浓度 (n) viscosity; consistency; thickness
- 进口的 inward
- 进口关税 import duty
- 浓度的 pH indicator
- 进口许可证 certificate of import license
- 实验研究了影响半干半湿法脱硫效率的几种因素：温度、含湿量、SO2浓度、烟气停留时间、脱硫剂类型； This paper presents the relationship between desulfurization efficiency and the parameters of temperature, absolute humidity , fly ash , SO2 contentration, reacting time, etc.
- 原装进口 imported with original packaging
- 进口产品 imported product
- 国产零件取代进口零件。 Home-made parts are being substituted for imported ones.
- 低浓度 light concentration
- 进口国 importer
- 浓度测定 titer
- 进口报关单 fill of entry
- 摩尔浓度 molarity
- 政府打算降低进口汽车的关税。 The government is going to lower the tariff on imported cars.
