Professional supply schneider LC1D ac contactor. Low consumption, long life, safe and reliable, energy saving, high quality silver contact, high fusion welding and electrical wear resistant ability.
专业供应施耐德lc1d交流接触器。功耗小、寿命长、安全可靠、节能、优质银触点、高抗熔焊及耐电磨损能力。
A water cooling brazing apparatus using novel Chinese silver-saving brazing alloys without flux and the synchronous and fast brazing technology with double torches are described in this paper.
采用国产新型节银自钎焊料、研制了水冷却保护钎焊装置和双焊炬同步速焊操作工艺。
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