常見(jiàn)例句雙語(yǔ)例句Geological hazard treatment of stone coal self-ignition is a main problem in China and the world.石煤自燃地質(zhì)災(zāi)害治理是我國(guó)乃至世界礦山環(huán)境治理的一大難題。In this paper the chemical composition of cold and self-ignition coal gangue are studied and its activity is analysed.研究了未燃煤矸石和自燃煤矸石的化學(xué)組成，分析了煤矸石的活性。One is a steady-state analytical theory which is in analogy with Prank-Kamenetski's stationary analysis of self-ignition, but requiring numerical computations.一種是類似于弗朗克-卡敏涅茨基對(duì)均勻可燃混氣自燃所用的穩(wěn)態(tài)分析理論。http://dict.cnki.net 返回 self-ignition