按照我国《法定规则》规定,对非国际航行的散装谷物船,经自由液面修正后的初稳性高度均应不小于()m。
A.0.15
B.0.20
C.0.30
D.0.60
参考答案:C
The girl felt nervous at the stage with a lot of audience _______her.
A.to stare at
B.staring at
C.stare at
D.stared at
工艺设备检查问题分类?