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surface with macadam表面用碎石覆盖asphalt macadam沥青碎石Macadam type bases involving successive layers of crushed rock bound with rock dust were also used.人们曾经使用“石结”基层——几层由石粉黏结在一起连续的碎石层.The construction techniques of cement treate...
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macadam的音标：macadam的英式发音音标为：[mə'kædəm]macadam的美式发音音标为：[mə'kædəm]...
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Macadam type bases involving successive layers of crushed rock bound with rock dust were also used.人们曾经使用“石结”基层——几层由石粉黏结在一起连续的碎石层.The construction techniques of cement treated macadam base are always paid more attention ...