... Lead cam 导程凸轮 Lead screen 铅屏 ; 铅屏蔽 ; 铅增感屏 ; 铅防护屏sounding lead 测深锤 ; 测铅 ; 测深铅锤 ...
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铅笔测试稿 pencil test ; pencil l test
碲化铅探测器 [电子] lead telluride detector
烟雾探测器中的铅 Lead in gas sensors
硒化铅探测器 [电子] lead selenide detector ; PbSe Dectector
尿铅测定 urinary lead assay
测探铅坠 Sounding leads ; detecting lead sinker
铀铅测年法 Uranum-head method ; Uranium-lead dating method ; uranium-lead dating
注铅检测 lead proof
铅含量测试 Lead content in paint ; Total lead content ; Lead Content Test
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