【单选题】A horizontal line 450mm long and 25mm wide cuts through the loadline disc. It is called the__.
【判断题】纵断面高于水平线时取正值,低于水平线的面积取负值。The vertical section is positive when it is higher than the horizontal line, and the area below the horizontal line is negative.
【单选题】The angular movement of a vessel about a horizontal line drawn from its bow to its stern is ().
【单选题】A horizontal line cuts through the loadline disc. It is called the _____.
【单选题】A horizontal line 450-mm long and 25 mm wide cuts through the load line disc. It is called the ___.
【单选题】2006年9月20日国家安全生产监督管理总局颁布了《生产经营单位安全生产事故应急预案编制导则》( AQ/T 9002-2006).其作用是( )。
B.
明确了各类突发公共事件分级分类和预案框架体系
D.
明确了应急预案应包含的内容和编制要求,为应急预案的规范化建设提供了依据
【简答题】A vertical angle is an angle in a vertical plane which referenced to a horizontal line by plus or minus angles, or to a vertical line from the zenith direction.
【判断题】A horizontal line is parallel to horizontal plane of projection, and inclined to the frontal plane of projection and profile plane of projection.
【单选题】A disk with a horizontal line through its center,equivalent to the summer load line,is called the().
B.
maximum allowable draft mark
【单选题】A disk with a horizontal line through its center, equivalent to the summer load line, is called the().
B.
maximum alloable draft mark