Forced surge test may cause over vibration and damage to the compressor rotor during the compressor characteristics test.
压气机特性试验中逼喘是必须进行的，但它常常造成压气机转子振动过大，并对压气机转子造成一定的损伤。
The Great Recession and its surge of long-term unemployment are a severe test of what was once seen as a distinctive US economic strength.
大萧条以及美国长期失业率飙升，是对曾被视为美国经济独特优势的严峻考验。
This paper presents an intelligence test set built by microcomputer technics to monitor and measure the harmonic and surge voltages in the power network and source, on-line and with a real time.
本文提出利用微机技术构造一种在线实时监视和测量电网、电源客观存在的谐波电压和浪涌电压的智能测试仪。
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