焦炉煤气利用途径分析
Analysis on the utilization of coke oven gas
苹果渣的开发利用途径
The Utilize Approaches of Apple Residue
污水回用途径
wastewater reuse approach
approaches of municipal sewage reuse
有效利用途径
Efficient utilization ways
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