他说，他的关于如何提高到一个新的办法，以清洁的材料，从疏浚河道和处置破旧出轮胎。
And he says that he's on the way to a new approach to cleaning material dredged from rivers and disposing of worn-out tires.
他们是橡胶技术商品的诊治在硫化作用以后和整顿破旧的轮胎。
They are the treatment of rubber technical ware after vulcanization, and reworking of worn tires.
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