引用第1楼xiedongqiao于2009-06-01 17:13发表的 :
从理论上是要的,不仅要,而且要固定后才焊,可以在焊锡溶后不会脱落造成灾害。
引用第3楼sinmk于2009-06-01 17:21发表的 :
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要沟焊,且固定后焊锡熔化不脱落,也就是说,结构要牢固
引用第10楼Morsta于2009-06-02 17:07发表的 :9 I. m# k* r; l* I2 W; V6 n
clause 4.7 有提到
Examples of methods deemed efficient to prevent a wire from becoming detached are:
a) wires are retained by a cord anchorage adjacent to the terminals;
b) conductor is clamped by a spring type screwless terminal;( z6 B( C# ^6 Z" \2 c9 Z. n& h; [5 m x
c) the wire conductor is anchored to the tag before soldering, unless breakage close to the soldering place is
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