The welding equipment and technology for valve body of storage liquid tank are developed. The striking of the NEWK-200 welding machine made in Japan has been improved.
研制了一套贮液罐阀体焊接设备及工艺，并改进了日本Newk- 200焊机的引弧性能。
The welding equipment and technology for valve body of storage liquid tank are developed. The striking of the NEWK-200 welding machine made in Japan has been improved.
研制了一套贮液罐阀体焊接设备及工艺，并改进了日本Newk- 200焊机的引弧性能。
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