单词 watch spring 例句 DEFINITIVE EXAMPLES 权威例句〔flatter〕A die plate for flattening metal into strips, as in the manufacture of watch springs.扁条拉模:一种用来拉平钢条的模板,如用于生产手表发条的模板美国传统 英语例句辞典收录了559068条英语例句在线...