單項選擇題
A.≤0.1mol/l B.≤0.2mol/l C.≤0.3mol/l D.≤0.15mol/l
A.1.0~2.0 B.1.5~2.5 C.1.3~2.3
A.MPa B.bar C.kg/m3 D.mmHg
A.D371XF2-1.6 B.G41F-1.6 C.H41F46-1.6
A.≤0.01% B.≤0.02% C.≤0.2% D.≤0.002%
A.CPU B.CRT C.UCN D.DCS
A.90 B.60 C.80 D.50
A.NaOH和Na2C03 B.NaOH和BaC03 C.NaOH和CaC03 D.Na2C03和CaC03
A.8 B.12 C.15 D.20
A.0.027 B.0.0374 C.0.0725 D.0.03
A.離子膜 B.隔膜 C.水銀法