保护赖以生存的海陆环境需要我们人类的节制和努力！
Protecting the Marine environment need our human restraint and hard work!
方法采用环型弹簧与节制杆式阻尼器相结合的缓冲器原理。
Methods The circular spring buffer is adopted with throttling bar as damping device.
方法采用环型弹簧与节制杆式阻尼器相结合的缓冲器原理。
Methods The circular spring buffer is adopted with throttling bar as damping device.
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