这种工具对于带接箍的管类落物打捞成功率较高。
The tool is especially a great success in catch of objects accompanied with couplings.
这对于加工大直径、高精度的管类件具有重要的意义。
The new technology is especially fit for working big diameter and high precision tube parts.
本厂专业从事焊管类制品的加工生产，目前主要生产助力车、摩托车后货架。
The factory is specialized in the processing of the welding tubular goods products. At present mainly produces the boost vehicle, the motorcycle and shelf.
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