length of service是什么意思 length of service怎么读
length of service的英文翻译是什么意思，词典释义与在线翻译
length of service的用法和样例
- Data that focus not on age but on length of service give similar results and confirm that the frequency rate of work accidents decreases with length of service.
事故的次数的多少与人的年龄无直接关系，但与服务的年限的长短有关，事故的频率随著服务年限的增长而减少。
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