说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 铅皮天沟
1)  metal valley
铅皮天沟
2)  rolled lead
铅皮
3)  lead sheet
铅皮;铅板
4)  rain gutter
檐沟;天沟
5)  valley gutter
谷沟,天沟
6)  gutter [英]['ɡʌtə(r)]  [美]['gʌtɚ]
天沟
1.
The waterproof construction of the roofing is composed of aluminum alloy board with vertical welt,covered gutter,main gutter,eaves gutter,overflow and siphon rainwater drainage system,solving the problem of low drainage capacity of previous public building roofing of similar large area.
本工程屋面采用直立锁边咬合铝合金屋面板、暗天沟、主天沟、檐口天沟、增设溢流口及虹吸式屋面雨水排水系统相结合的构造防水方式,解决了以往类似规模大面积公共建筑屋面排水能力偏低的困扰。
2.
construction details in roof drains such as gutter,eave gutter joint,flashing joint of parapet,joints of deformation joint,connection of drainage pipes and so on are introduced as well as corresponding treatment methods in order to ensure the waterproofing effects and appearance quality of buildings.
对天沟、檐沟节点、檐口节点、女儿墙泛水节点、变形缝节点、伸出屋面管道节点、水落口节点等屋面排水细部构造处的防水处理方法进行了介绍,从而在达到良好的防水效果的同时,也保证了建筑物的美观。
补充资料:铅-铅测年
分子式:
CAS号:

性质:238U和235U两个母体铀同位素的特性实质相同,所产生的放射性成因206,207Pb的方程可合并为(207Pb/206Pb)=[(235U/238U)](t-1)。235U/238U现在的比值是1/137.8,利用非放射性成因‘稳定’204Pb作为参考同位素,作(207Pb/204Pb)与(206Pb/204Pb)的Pb-Pb等时线,应用方程计算年龄,式中(207Pb/204Pb)和(206Pb/204Pb)0是初始比值。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条