组合变幅杆
一种全波变幅杆，由至少两个端头变幅杆组成，并由一根母变幅杆驱动。当普通变幅杆不适用时使用组合变幅杆—例如需要将较高的焊接振幅集中在间距很宽的多个位置时，或需要较深的让刀槽时。
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详情 ……
Composite horn
A full-wave horn consisting of at least two tip horns driven by a mother horn. A composite horn is used where normal horns are not feasible — where high welding amplitude must be concentrated at widely spaced locations or when a deep relief is needed.
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