Close valve "A" when you get the same indications on gauges "X" ANDY'当压力表'X'和"Y"的指示相 同时，关闭阀门“A
A.Close valve A when the indications on gauges X and Y correctly. B.Close valve A when you get the indications on gauges X and Y independently. C.Close valve A when the indications on gauges X and Y correspond.（相同）正确答案C
