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Thus, for the mine-used tri-ring chains, the novel and simple auto-bending ring machine have been designed.
针对矿车用三环链,设计了一种新颖而简单易行的自动弯环机。
youdao
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Thus, for the mine-used tri-ring chains, the novel and simple auto-bending ring machine have been designed.
针对矿车用三环链,设计了一种新颖而简单易行的自动弯环机。
youdao