... offer free medical service 义务行医 service-free life无保养使用期 trouble free service 安全工作 ...
双语例句
1
One year free warranty, life-long service.
一年免费保修，终生服务。
2
High precision dynamic balancing machine has the characteristics of low noise, high efficiency, long servicelife, and fully enclosed in high performance grease, life-long maintenance free.
高精度动平衡机具有噪音低、高效率、使用寿命长等特点，且全封闭内加高性能润滑脂，终生免维护。
3
Sales of products once sold, will be returned within one week of servicefree, free replacement parts to achieve life-long service.