knock-test

常见例句

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。
Mind you don't knock your head (on this low beam).
小心，别(让这根低梁)撞著头。