"Four amber low pressure lights for each pump illuminate when the pump output pressure decreases below a predetermined value." In the above sentence, "amber low pressure light"means ,"琥珀色低油量指示灯"."predetermined value" means "预定值"。
A.1
正确答案是B
"Four amber low pressure lights for each pump illuminate when the pump output pressure decreases below a predetermined value." In the above sentence, "amber low pressure light"means ,"琥珀色低油量指示灯"."predetermined value" means "预定值"。
A.1
正确答案是B