改善沥青的低温屈挠性可减轻沥青低温下的发硬,发脆,龟裂,提高公路,卷材的使用寿命。
Hardening, embrittling and cracking at low temperature of bitumen can be reduced due to improved flexing so as to extend the service life of road and rolling material.
温度的变化对煤焦沥青的影响很大,冬季容易脆裂,夏季容易软化。
The change of temperature has much effect on the coal tar, winter easy embrittlement, summer is easy to soften.
温度的变化对煤焦沥青的影响很大,冬季容易脆裂,夏季容易软化。
The change of temperature has much effect on the coal tar, winter easy embrittlement, summer is easy to soften.
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