A vessel would be referred to as “stiff” when the weight of the cargo is().
A. evenly distributed vertically and the double bottoms are full
B. concentrated low and the double bottoms are empty
C. concentrated low and the double bottoms are full
D. concentrated high and the double bottoms are empty
查看答案
CNC装置中根据刀具补偿方向不同分为三种类型()。
织物的形态稳定性是评价服装保形能力的一项重要指标,那么具体衡量织物形态稳定性要测试织物的拉伸变形、()、剪切变形、收缩变形、折皱变形、抗绉性、悬垂性(刚柔性)。