管道公称压力分的五个等级:()MP、0.8MP、1.0MP、1.25MP、1.6MP
A.0.1
B.0.2
C.0.3
D.0.6
参考答案:D
_______ are having lunch now. [ ]
A. The Whites
B. The White
C. Whites
D. The White's
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