ABB has supplied similar drive systems for wind tunnels operated by NASA and the U. S. Air Force.
ABB还为美国国家航空和宇宙航行局(NASA)以及美国空军的风洞提供了类似的驱动系统。
ABB has previously supplied drive systems for wind tunnels operated by the National Aeronautics and Space Administration (NASA) and the U. s.
ABB曾经为美国国家航空和宇宙航行局(NASA)以及美国空军的风洞提供过驱动系统。
It is now common practice to test scale models of Bridges in wind tunnels for aerodynamic resistance.
现在的通常作法是按比例缩小的桥梁模型放在风洞里检测它们的空气动力抵抗力。
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