單項選擇題原油在進行煉制前均應(yīng)進行脫水脫鹽處理,其脫鹽脫水指標一般規(guī)定為含鹽量小于()毫克/升,含水量在()之間。

A.10,0.1~0.2%
B.12,0.1~0.2%
C.10,0.2~0.3%
D.12,0.2~0.3%