求翻译：CRJ-200飞机是加拿大庞巴迪公司生产的，主要用于支线飞行。它安全、舒适和环保，他有两台涡喷发动机，可以搭载50名乘客。最大巡航速度为0.81马赫，最大使用高度为41000英尺。是什么意思？

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CRJ - 200 aircraft is the Canadian Bombardier's production, which is primarily used for feeder flights. It is safe, comfortable and environmentally friendly, and he has two turbo jet engine, you can carry 50 passengers. The maximum cruise speed of 0.81 Mach, the maximum in-use height of 41,000 feet.

The CRJ-200 airplane is Canada Bombardier Company produces, mainly uses in the branch flight.It safe, comfortable and environmental protection, he has two turbojet engines, may embark 50 passengers.The maximum cruising speed is 0.81 Mach, the biggest operating altitude is 41000 feet.

CRJ-200 is Canada's Bombardier company produced, mainly for feeder flights. It is safe, comfortable and environmentally friendly, he has two turbojet engines, can carry 50 passengers. Maximum cruise speed of Mach 0.81, with a maximum altitude of 41,000 feet.

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