“after-sales and maintenance services”的概念、定义、翻译、参考文献-科学参考

单词	after-sales and maintenance services
释义	after-sales and maintenance services Encyclopedia 理学生产性服务释 after-sales and maintenance services售后与维修服务在商品出售以后所提供的各种服务活动和维修活动。
随便看	quasi static electromagnetic field quasi-static electromagnetic field quasi-static field quasi-static model quasi static process quasi-static process quasi-static state quasi-static test quasistatic viscoelastic problem quasistationarity quasi-stationary condition quasi-stationary density wave quasi-stationary electromagnetic field quasi-stationary level quasi-stationary process quasi-stationary sea surface topography quasi-stationary spectrum quasi-stationary spiral structure quasi-stationary state quasi-stationary wave quasi-steady condition quasi-steady flow quasi-steady state quasi steady-state assumption quasi-steady state water influx

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