On the basis porous carbon , the reactive sintering silicon carbide ceramics were prepared by ihrigizing reaction.以此为基础, 进一步通过渗硅反应,制成反应烧结碳化硅陶瓷.The effect of the sintering temperature on the degrease performance is obviou...
He would have to accept it; there was no other way.对此他将别无选择，只有接受。Some of the older telephones still only accept tokens.一些较老式的电话机仍然只收代币。They don't accept any foolishness when it comes to spending money.在花钱的问题上，他们向来很谨...
“一日为侦探，终生为侦探，”他满不在意地说。"Once a detective, always a detective," he said lightly.好了，约翰，别太在意了。这又不是什么生死攸关的大事。Well, never mind, John, it's not a matter of life and death.和想象中的一样，这些司机对此并不太在意。The drivers, as you might imagi...