| 摘要 |
PURPOSE: A multipurpose water buoyancy-adjustable float is provided to prevent environmental pollution. CONSTITUTION: A multipurpose water buoyancy-adjustable float comprises an upper end float top(10), a silicon cap(20), a piston(30), a silicon packing(40), a float body(50), a body cap(60), and a lower end float top(70). The float body and the body cap has a waterproof function by coupling each other. |
