surface finishes短语¹⁴⁴⁹⁷²⁺² 基本例句 🌏完成的表面处理;试片之表面完成度;试片表面完成度 The problems caused by surface finishes, particularly tin whiskers, are addressed. 讲述表面处理引起的问题,特别是锡须。 tingkezheng UL testing may be required to produce and assemble boards with lead-free surface finishes. 生产和装配经过无铅表面处理的线路板,可能需要进行 UL测试。 cnki