“concrete admixture”的概念、定义、翻译、参考文献-科学参考

单词	concrete admixture
释义	concrete admixture Encyclopedia 工学混凝土外加剂释 concrete admixture混凝土外加剂在混凝土拌制之前或拌制过程中加入的、用以改善新拌混凝土和（或）硬化混凝土性能且不能对人、生物、环境安全及混凝土耐久性造成有害影响的材料。掺量一般不大于水泥重量的5%。
随便看	power supply of electric traction autotransformer power supply of instrumentation and control power supply of traction current transformer power supply service center power supply system for electric traction power supply system for urban rail transit power supply system ground test with an aircraft power supply system of el ectric traction power supply system of electric traction power supply trace power switching device power system power system active energy balance power system automatic security control equipment power system automatic unwinding device power system design power system development planning power system dispatcher flow power system dispatching power system fault power system insulation levels power system load power system oscillation power system overvoltage and insulation coordination power system planning

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