适合使用 Quality is Fitness for use ; Fitness of use
合理使用 fair use ; rational use ; reasonable use
聚合使用 item use
混合使用 Mixed-Use
符合使用要求 Compliance with requirements for use ; In line with requirements ; Meet the requirements
联合使用 Combined use
可联合使用的吊车 combinable cranes
符合使用证书 certificate of occupancy
综合使用年限 composite service life
试验发现，406油性剂与含硫、含氯极压抗磨剂在复合使用中有显著的增效作用，有的增效作用属超加合效应。
The experiments show that obvious incremental effect can be produced when oily agent 406 and extreme-pressure antiwear agent containing sulphur or chlorine are used compositely.
在全电模式下，通用公司的这款汽车预计行可行驶50英里(合80公里)，足以满足大多数美国通勤者的需求，这样他们只在跑长途的情况下才需要使用汽油发动机。
GM's car is expected to go around 50 miles (80km) in all-electric mode, more than enough for most American commuters, who would need to use the petrol engine on longer trips only.
日本某公司发明出一款可折叠的充气"浴缸"，让使用者躺在床上就可直接洗澡，每个售价2.48万日元(约合人民币1944元)。
Priced at 24,800 yen (RMB1,944), a foldable and inflatable "bathtub" for users to enjoy in bed was invented by a Japanese company.
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