A. 冲拉能力强 B. 主机马力大 C. 设有大压载舱 D. 首部特别加强
A. 最大长度,最大宽度,最大高度 B. 登记长度,登记宽度,登记深度 C. AB都对 D. AB都不对
A. 从船底平板龙骨下缘至船舶最高点之间的垂直距离 B. 某一吃水线水面至船舶最高点之间的垂直距离 C. 从船底平板龙骨上缘至船舶最高点之间的垂直距离 D. 满载吃水线至船舶最高点之间的垂直距离
A. 1动滑轮; 2根端; 3力端; 4定滑轮 B. 1动滑轮; 4定滑轮; 2力端; 3根端 C. 1定滑轮; 4动滑轮; 2力端; 3根端 D. 1定滑轮; 4动滑轮; 2根端; 3力端
A. 回转式, 悬臂式, 舷门式 B. 悬臂式,舷门式, 滑轨 C. 舷门式, 滑轨式, 定柱式 D. 回转式, 悬臂式, 组合式
A. 10% 计算 B. 20%计算 C. 30%计算 D. 40%计算
A. The sun to be at the opposite side of the moon B. The moon to be at the opposite side of the earth C. The moon to be at its apogee D. The sun and the moon to be on the same side
A. 20 B. 30 C. 45 D. 60
A. The company security officer B. The classification society C. The port facility security officer D. The ship security officer
A. Making objects less visible B. Making echoes weaker on the radar C. Making large echoes smailer D. Making small objects better visible