您要查找的是不是：
- S.Szwaja, K.R.Bhandary, J.D.Naber“Comparisons of hydrogen and gasoline combustion knock in a spark ignition engine,” Int.J.Hydrogen Energy, Vol. 32, 2007, pp. 5076-5087. 李弘彬，王启圣，洪士贤，蔡涣良，郭念萱，“热电浆系统产氢技术开发”，第一届台湾氢能与燃料电池学术研讨会，南投，日月潭，2006年11月2-3日。
- Sound Identification: Combustion knocks are divided into two classes: preignition and detonation. 声音辨别：燃烧爆震分为两种：提前点火和爆燃。
- 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。
- Mind you don't knock your head (on this low beam). 小心，别(让这根低梁)撞著头。
- I was able to knock their price down to $1. 我把价格压到一美元。
- We knock off at 12:30 for lunch. 我们十二点半时停下工作去吃饭。
- She fell off her bike and got a nasty knock. 她从自行车上摔下来，摔得很重。
- When I fell I got a terrible knock on the head. 我摔倒时头撞得很厉害。
- The combustion in the forest generated great damage. 森林火灾造成了巨大的损失。
- Don't drink too much of this it'll knock you out! 这种酒别喝太多--喝多了就醉了！
- Knock it off, kids, I'm trying to sleep! 孩子们，别闹了，我要睡觉了！
- My health compels me to knock off work. 我的健康状况迫使我不得不停止工作。
- Call me that again and I'll knock your block off! 你再那麽叫我，我就揍你！
- A true professional could knock my efforts into a cocked hat. 遇上真正行家我的工作就相形见绌了。
- Knock it off! You lot. I'm trying to get some rest. 停！你们这群人，我想休息一会儿。
- It's after five; let's knock off. 已经五点多了; 下班吧
- Jim sat up when he heard the knock on his bedroom door. 吉姆听到敲寝室门的声音时便坐了起来。
- A true professional can knock my effort into a cocked hat. 遇上真正行家我的工作就相形见绌了。
- Before mixing with the products of combustion, the air is preheated. 空气在与燃烧生成物混合之前要进行预热。
