虽然更换焊嘴的周期缩短了，但是由此带来的残次品的增加以及焊接稳定性的下降。
The shortening of the changing period for tips will lead to lower stability in operations and higher number of inferior products.
因此，ALOM的高频焊接技术已经申请了发明专利：焊嘴的头部为特殊合金材料。
Thus, we would like to file a patent application for a newly-invented method:partial substitution of plate for alloy.
到目前为止，普通烙铁的焊嘴主要还是是铜，为了防止氧化，铜已经被处理加装铁皮或电镀。
So far, soldering iron tips have been made mainly of copper, and in order to prevent oxidization, the copper has been either iron-plated or chromlum-plated.
到目前为止，普通烙铁的焊嘴主要还是是铜，为了防止氧化，铜已经被处理加装铁皮或电镀。
So far, soldering iron tips have been made mainly of copper, and in order to prevent oxidization, the copper has been either iron-plated or chromlum-plated.
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