knock-test

基本解释

• n.抗震性试验

同根派生

英汉例句

• Knock test reference fuels-Reference fuel grade toluene
  GB/T11117.;3-1989爆震试验参比燃料参比燃料级甲苯
• A simple test will show if this is real gold.
  简单的试验就能证明这是否是真金。
• Keep your hands off me; or I'll knock you down.
  不要碰我，当心我把你打倒在地。
• There was a furious knock at the door.
  有人在猛烈地敲门。
• Pupils who pass the test will be promoted to the next higher grade.
  小学生只要考试及格就会升到高年级。