[单选题]
为调整船舶吃水差,现由No.4舱(x
1
=-32m)移250t货到No.1舱(x
5
=45m),MTC=230t•m/cm,则船舶的吃水差改变量为()m。
A .-0.84
B .-0.42
C .0.84
D .0.42
参考答案与解析: