1·Combined with practical works of coal-breaker house in one power plant the production of cracks on filler wall is analyzed, which probably caused by dynamic load.
结合某电厂碎煤机楼的工程实际情况，对在动力荷载作用下可能引起填充墙体裂缝的原因进行了分析，并通过方案比选提出了该实际工程裂缝的处理措施。
2·Function and working principle of a gate watching dog of a guide circuit and a kind of a guide gate watching dog are presented for an intelligent vacuum circuit breaker in coal mine.
介绍了用于煤矿井下智能型真空磁力起动器中的先导电路看门狗的功能及工作原理和一种先导看门狗电路。
3·I don't know what a breaker boy is; but his occupation seems to be standing by a coal dump with a wan look and a dinner-pail to have his picture taken for magazine articles.
我不知道碎石机小厮是干嘛的，但是他的工作好像是带着饭盒，病怏怏地站在煤矿前让人拍了照片登到杂志上去。
4·Using ZPGL high-strength double toothed roll breaker not only satisfied with size demand for washing processing, but also improve cleaning coal rate and creates higher economy benefit.
2PGL高强力双齿辊破碎机投入运行以来，不仅满足了洗选工艺对粒度的要求，也提高了精煤产率，创造了较高的经济效益。