液货舱经计量检定合格后才能称为()舱。
(A)载货计量
(B)油品计量
(C)液货计量
(D)计量交接
参考答案:C
—I hear Huang Gang made an English speech at the graduation ceremony yesterday.
—______, and ______. [ ]
A. So he did, so did I
B. So did he, so I did
C. So he was, so was I
D. So was he, so I was
读数误差主要取决于什么?