船舶涉及到船舶盈利等问题时,一般以()为依据。
A.排水量
B.载重量
C.总吨
D.净吨
参考答案:D
—Where is my dictionary?I remember I put it here yesterday.
—You___it in the wrong place.
A.must put
B.should have put
C.might put
D.might have put
单向预浸料含有多少维向纤维()?
A、5%
B、10%
C、15%
D、20%