v steel grade v钢种
grade-v watery rock V级富水围岩
high grade A-V block 高度房室传导阻滞
v slag grade 钒渣品位
Grade V 第五级
Grade V Officer 五级长官
Senior Grade V Officer 高五级长官
The result showed that the water quality had basically reached water quality standard V grade.
结果表明：水体基本达到V类水质标准。水质污染轻重排序为阿及堡<和平桥<七间房。
The outcome of patients of grade V is the worst.
级动脉瘤是预后最差的一组。
Severely degenerated discs (grade v) also showed a trend toward greater bulging, but this was not significant.
严重地椎间盘退变(V级)也显示有较大的膨出的倾向，但并不显著。
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