general acid－base catalysis

In general, the oil mist defectors include a base plate with air blast pumpThe function of

Generally _________, business tax is based on taxable services, the transfer of intangible assets and sale of immovable property within China.

Generally, a material with a sour taste, such as vinegar or lemon juice, contains an acid.

Any acid can, in principle, neutralize any base, although ______ between some of the more

酸价（acid value，AV)

The contemporary legal systems of the world are generally based on one of four basic s