测试夹具常常采用弹簧触点的连接方法，这些触点可能由磷青铜、铍铜合金或者其它具有高赛贝克系数的材料制成。
Test fixtures often use spring contacts, which may be made of phosphor-bronze, beryllium-copper, or other materials with high Seebeck coefficients.
碗头挂板为可锻铸铁件，热镀锌。弹簧销为青铜件或不锈钢件。
Socket clevis is forgeable iron, hot galvanizing. spring catch bronze or stainless steel.
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