【单选题】
铁路货车零部件探伤荧光磁悬液浓度为()
A、0.1mL/100mL~0.6mL/100mL
B、0.2mL/100mL~0.6mL/100ml
C、0.1mL/100mL~0.7mL/100mL
D、0.2mL/100mL~0.7mL/100ml
A、0.1mL/100mL~0.6mL/100mL
B、0.2mL/100mL~0.6mL/100ml
C、0.1mL/100mL~0.7mL/100mL
D、0.2mL/100mL~0.7mL/100ml