通常,静水力曲线图中与水尺计重关系最密切的曲线有()
A.漂心曲线
B.厘米(英寸)纵倾力距曲线
C.艏、艉吃水修正曲线
D.厘米(英寸)吃水吨数曲线
参考答案:A, B, D
— I'm very tired these days because of studying for physics.
— Why not music? It can make you . [ ]
A. listen to; relaxing
B. to listen to; to relax
C. listening to; relaxed
D. listen to; relax
轮油分为()。
A.硫磷型
B.硫氮型
C.硫铅型