The strength calculation formula of the screw propeller under the action of centrifugal force was obtained through multivariate fitting.
经多变量拟合，得到了离心力作用下螺旋推进器的强度计算公式。
2
Tin can improve the brass strength and corrosion resistance of the sea, therefore calls navy brass, used for ship thermal technology equipment and propeller, etc.
锡能提高黄铜的强度和对海水的耐腐性﹐故称海军黄铜﹐用作船舶热工设备和螺旋桨等。
3
A new propeller alloy with high strength, high damping capacity and excellent corrosion resistance has been put to damping effect test.