单词	冷熱不好治
释义	同DIFFICULT
随便看	metallsalz metal lubricant metallurgic metallurgical metallurgical bond metallurgical coke metallurgical contact metallurgical contacting system metallurgical dust metallurgical engineering metallurgical fume metallurgical grade silicon metallurgical industry metallurgical length metallurgically metallurgical macroscope metallurgical microscope metallurgical nucleus metallurgical plant metallurgical polishing metallurgical process metallurgical reaction metallurgical separation metallurgical separation--process metallurgic iron