被用作商业用途
was used for commercial purposes
通用被动式潜望镜
universal passive periscope
使用与满足传播理论
The Uses and Satisfaction Communication Theory
《商业及非住宅租务资料系统使用手册》
Commercial and Non-domestic Tenancy Management Information System User Manual
《升降机及电楼梯安全使用守则》
Code of Practice for Safe Use of Lifts and Escalators
《苏伊士运河船舶吨位丈量规则》使用方法
Instructions on the Application of the Rules for the Measurement of Vessels for the Suez Canal