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单词
lead
释义
lead
Encyclopedia
工学
[低熔点合金]
释
lead
铅
化学元素，元素符号Pb，原子序数82，原子量207.2，属周期系ⅣA族。
工学
鈆
释
lead
鈆
中国古代的铅。是古体字。
理学
铅
释
lead
铅
化学元素，元素符号Pb，原子序数82，原子量207.2，属周期系ⅣA族。原子量最大的非放射元素。
Physics
lead
①铅
82Pb
｛化｝ ②导线，引线 ③超前，导前，移前
Mathematics
lead
步距，间距
Astronomy
lead
缩写：Pb。铅
Chemistry
＞无机化学＞无机化学基本概念与无机化合物＞释义
lead
铅
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Urban public transport lines
urban public utility
urban pulic space planning
urban purple line
urban rail air conditioning system
urban rail communication systems
urbanrail depot building
urban rail environmental monitoring system
urban rail passenger information system
urban rail power supply system
urban rail signalling system
urbanrail station building
Urban Rail Transit
urban rail transit
urban rail transit bridge
urban rail transit combined sewerage system
urban rail transit construction
urban rail transit construction planning
urban rail transit drainage system
urban rail transit electromechanical device
urban rail transit engineering
urban rail transit facilities
urban rail transit feasibility study
urban rail transit gauge
urban rail transit network planning
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