提出了采用加热空气介质的高温空气槽测定材料热变形温度(HDT)的方法，通过几种高分子材料在油浴中及高温空气槽中测定HD T值的比较。
The way of heating air by using high temperature-air container was designed for the measurement of the heat deflection temperature (HDT) of polymer materials.
提出了采用加热空气介质的高温空气槽测定材料热变形温度(HDT)的方法，通过几种高分子材料在油浴中及高温空气槽中测定HD T值的比较。
The way of heating air by using high temperature-air container was designed for the measurement of the heat deflection temperature (HDT) of polymer materials.
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