下列哪些是线材立体构成的表现形式?()
A.框架构造
B.垒积构造
C.网架构造
D.抻拉构造
E.线织面
参考答案:A, B, C, D, E
技术创新的最终目的是技术的()应用和新产品的()成功。
Which measure should NOT be taken to reduce the pounding of a vessel in a head sea?()
A.Add ballast in the afterpeak
B.Add ballast forward
C.Alter course
D.Reduce speed