Ken Darby and the Whiskeyhill Chorus sing about life on the canal.肯恩·戴比和威斯基希尔合唱队演唱了这首表现运河生活的歌曲.Darby was looking for a way to improve iron when he hit upon the idea of smelting it with coke instead of charcoal.达比一直在寻找改善铁...
Darby was looking for a way to improve iron when he hit upon the idea of smelting it with coke instead of charcoal.达比一直在寻找改善铁质的方法，他猛然想到可以不用木炭熔炼，而改用焦炭。Ken Darby and the Whiskeyhill Chorus sing about life on the canal.肯恩·戴...
the cyclic processes of nature自然界的循环过程The object is no longer in cyclic motion.这物体已不再循环运动。The cyclic model of the universe is clearly attractive.宇宙的循环模式显然富有魅力....
Ferrography technology is a important mean for detecting scale diesel engine trouble.铁谱技术是诊断大型柴油机磨损故障的重要手段.Color information of ferrography image is important to particle identification and wear condition analysis.铁谱图像所包...