Wood in the high temperature coefficient of expansion will obviously, consumer can carry on some simple wooden through the maintenance, prevent the "heatstroke".
木制品比如木门的膨胀系数在气温高的时候就会比较明显，消费者可通过对木门进行一些简单的保养，防止其“中暑”。
If the valve body material can be welded, but very different thermal expansion coefficient, or changes in operating temperature range of a larger thread junction closure weld must be honey.
如果阀体的材料是可以焊接的，但膨胀系数差异很大，或者工作温度的变化幅度范围较大，螺纹连接部必须进行蜜封焊。
The color glaze of low firing temperature and low expansion coefficient, to match the glaze tile made from common clay, was prepared in lead borosilicate system.
采用铅硼硅熔决釉研制出同时符合普通粘土瓦坯的烧成温度低、热膨胀系数低这两个主要性能特点的釉料。
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