In addition, as the shaft is vertical the electric generator can be installed on one end above the water-without any need of waterproof boxes.
此外，由于轴是垂直的，发电机可以被安装在水面以上的一端——从而无需任何防水箱。
2
In addition, since the shaft is vertical, the electric generator can be installed at the top, above the water-so there is no need for any waterproof boxes.
除此之外，它的轴的垂直的，发电机可以装到其顶部，高于水面，这样就不需要任何防水装置了。
3
Generator rotor is a flexible stuff with approximately equal horizontal and vertical stiffness.