Wire feed through, I understand he started from the actual production of theoretical knowledge, such as slag ladle overflow Java is the main reason for high oxygen, approach is the main feed wire.
通过喂丝，我才渐渐的从实际生产理解了理论知识，比如钢包溢渣的渣的主要原因是氧高，主要处理办法是喂铝线。
Grip the enlarged handle of the hook and feed the wire loop through the button hole.
抓住钩的扩大柄和通过按键洞喂电报圈。
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