基本解释vi.熄灭(抽净；空白)n.极限同根派生 blankoff相关词英汉例句blankoff flange 盲板,盲法兰blankoff plate 盲底板,盲板blankoff pressure 极限低压强blankoff更多例句词组短语短语blankoff plate 盲板blankoff pressure 极限低压强blankoff flange 盲板blankoff更多词组