您要查找的是不是：
- A ball of lead will weigh down an equal bulk of feathers. 一个铅球要比同样大小的羽毛团重。
- A border or rim of lead, as around a windowpane. 铅框一铅制边界或框，如围在窗玻璃格四周的
- An alloy composed of lead, tin, and zinc. 铅锡锌化合物由铅、锡和锌组成的一种合金
- We to ed the leak i the ga ipe y mea of lead. 我们用铅堵塞了煤气管上的漏洞。
- Strips of lead used to hold the panes of a window. 铅框用于支撑窗玻璃格的铅条
- Oh,my God! You're casting nickels out of lead. 噢，天啊，你们在用铅造硬币。
- A border or rim of lead,as around a windowpane. 铅框一铅制边界或框，如围在窗玻璃格四周的
- One of leading families has show a rivalrous attitudes the others. 主要家族中的一家曾封其他家族显示敌对的态度。
- The speciation of silver in the lead concentrates were analyzed by means of optical microscope and electron probe micro-analyser (EPMA). 摘要利用光学显微镜、电子探针对铅精矿中银的赋存状态进行了分析。
- APPOINTMENT OF LEAD INDEPENDENT DIRECTOR. 庆源宣布委任新独立董事。
- speciation of lead 金属铅的物种形式
- Flexible direction of lead wire, nice shape. 引出线方向灵活,造型美观。
- FAAS Determination of Lead in Blended Gasoline. 请大家互相转告。
- Speciation of Soluble Arsenic Stibium and Selenium in Coating Paint on Toys[J]. 引用该论文 何桂华;赵建忠;郑新华;包海英.
- The mineral form of lead monoxide,PbO. 天然一氧化铅一氧化铅(PbO)的矿物形式
- A flat roof covered with sheets of lead. 覆以铅板的平屋顶
- He was killed because of a case of lead poisoning. 他因枪杀案而被处死。
- MM:Why are you carrying a sheet of lead? 你为什么拿着一块铅板?
- The mineral form of lead monoxide, PbO. 天然一氧化铅一氧化铅（pbo）的矿物形式
- Meanwhile, the results also indicate that AAS is a good method for analyzing the speciation of heavy metals. 同时说明原子吸收光谱法完全可以用来研究重金属形态特征,在环境研究中具有重要意义。
