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...
寄一盘新磁带过去不合算。It would be uneconomical to send a brand new tape.我听到了其中一盘录音带的回放。I heard a playback of one of the tapes.我发现一盘被弄坏的盒式磁带丢在废纸篓里。I dis-covered a mutilated cassette stuffed in a waste-basket....
After much cogitation, we decided to move to the Isle of Wight.经过慎重考虑后，我们决定搬到怀特岛去。After much cogitation he rejected the offer.做了仔细思考之后,他还是拒绝了邀请.The existing problems were analyzed from two aspects of cogitation and resea...