With more than 150 patents globally, selection of a lead-free solder alloy must be done carefully so proper license fees are paid for using patented alloys.是什么意思_With more than 150 patents globally, selection of a lead-free solder alloy must be done carefully so proper license fees are paid for using patented alloys.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句