The study and test of rolling technology were carried out because the strain-age impact toughness of D grade hull plate could not meet the standard by conventional rolling technology.
针对韶关钢铁集团公司在用常规热轧工艺开发薄规格D级船板时出现应变时效不合问题进行了研究和工业试验。
2
Seakeeping capability of conventional planing hull is poor.
常规滑行艇的耐波性能很差。
3
A conventional displacement hull works well at low speeds, but resistance increases sharply at higher speeds.