A.1000mL B.1200mL C.1500mL D.2000mL
A.1/5℃ B.1/4℃ C.1/3℃ D.1/2℃
A.為機(jī)車供應(yīng)清潔燃油 B.保證流量表工作正常、計(jì)量準(zhǔn)確 C.使燃油進(jìn)流量表前壓力穩(wěn)定 D.利于排除燃油中的空氣