求翻译：企业设计人员根据顾客需求对联合收割机的操作灵活、有导航系统、有车速调节系统、操作室人性化设计、脱粒效率高、价格合理、外型美观7个方面进行了问卷调查。是什么意思？

Enterprises according to customer demand for designer combines flexible operation, a navigation system, a speed control system, operating room-friendly design, threshing, high efficiency, reasonable price, good looks seven aspects of the survey.

According to the customer demand enterprise design staff to combine harvester operating flexibility, navigation systems, there is a speed regulator system, operating room humanized design, threshing, and high efficiency, reasonable price and pleasing conducted a survey in 7 months.

The enterprise designed the personnel nimbly according to the customer demand to the combine operation, has the guidance system, has the vehicle speed governing system, the handling room user friendly design, the seed extraction efficiency high, the price reasonable, the outlook artistic 7 aspects h

Company designers combine flexible operation, according to customer needs have a navigation system, a humanized design of speed regulating system, operating room, threshing efficiency is high, reasonable price, good looking 7 conducted a questionnaire survey.

Enterprise's designer is flexible according to the operation of the combined harvester of customer's demand, have navigation system, have speed regulate system, operating room humanization design, thresh with high efficiency and price reasonable and aesthetic in appearance 7 carry on the questionnai