前端轮系从手动张紧的三角带传动改为自动张紧的多楔带传动，运转更平稳，可靠性高。
Front-wheel system was changed from the manual tension V-belt to automatic tension V-ribbed belts , more smoother operation and higher reliability.
岩石属于大陆板内张性构造环境下高侵位形成的壳源重熔型花岗岩类。
The rocks are crustal remelting, shall level granites formed in a within-plate tensional tectonic environment.
岩石属于大陆板内张性构造环境下高侵位形成的壳源重熔型花岗岩类。
The rocks are crustal remelting, shall level granites formed in a within-plate tensional tectonic environment.
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