周围的矿井里的确有沼气聚积。Methane gas does collect in the mines around here.尽管矿井的安全状况有了很大改善，矿工的家属仍然害怕最糟的情况会发生。Though mine safety has much improved, miners' families still fear the worst.矿井中用钢制通风机来保持空气流通。The pit is ventilated by...
Serpentine often contains some asbestos , and should be used with caution .因为蛇纹石往往包含了一些石棉，收集时应谨慎。They claim the council has prejudiced their health by failing to deal with asbestos.他们声称，理事会没有处理好石棉的问题，从而损害了他们的健康。The prosp...
" Oh, if I only had a brass andiron - knob again!“ 哦, 我要是再能得到那只柴架上的铜把手就好了!There is a knob of butter on the table.桌子上有一小块黄油。A loose brass knob on the bedstead rattled.床架上一个松动的球形铜扣发出嘎啦声。Annulet knob, circle knob, there are...
This pyjamas has many repairs.这件睡衣有许多修补过的地方.It also visibly reduces scar tissue and repairs and regenerates connective tissue.它也能明显减少疤痕并且使结缔组织再生.Repairs and improvements can lead to higher rental rates.修缮后可以提高租价。The road...
Plants may possibly influence soil chemistry by the possession of chelating mechanisms.植物由于具有螯合机制可能影响土壤的化学特性.The preparation of a new pellet exchanger , namely, 8 aminoquinoline modified chelating cellulose AQCE is descr...
A few sentences regarding preignition and detonation may be helpful.再说几句有关早燃和爆燃的问题,或许是有益处的.The nitroalkanol imparts improved sensitivity and detonation velocities.硝化烷醇提高了感度和爆速.Given sufficient turbulence in the combustio...
如果电导率足够高,磁场就 “ 冻结 ” 在等离子中.If the electrical conductivity is high enough the field becomes " frozen " into the plasma.目的:探讨在肾病检查中尿液冰点渗透压和尿液电导率的相关关系.Objective To explore the correlation between freezingpoint osmotic pressu...