knock test 抗震性试验；敲击试验

CB风机

knock test

抗震性试验；敲击试验

knock-test engine 抗爆性试验机 ; 爆震试验机

knock test engine 燃料爆震性能试验发动机

knock test of gasoline 汽油爆震性试验

The “machine-or-transformation test,” in the eyes of many, was too stringent. Applied strictly, the test would knock out too wide a swath of patents.

“机器-或-转换检验方法”在许多人看来过于严苛。如从严适用，该检验方法对专利打击面过大。