down lead

短语词组

短语

• run down a lead 按线索追踪
• antenna down -lead 天线下引线
• down -lead metal core 引线金属芯
• Down -Lead Specification 引线说明
• internal down -lead 内引线
• track down a lead 按线索追踪
• welding of down -lead 引线焊接
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