單項選擇題在正常作業(yè)時,儲能器/管匯/環(huán)形防噴器的三個壓力表的讀數(shù)應分別是()。

A.14MPa/7MPa/7MPa
B.18.5~21MPa/10.5MPa/10.5MPa
C.17.5~21MPa/10.5MPa/0.65MPa
D.21MPa/14MPa/10.5MPa


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