ductile metal延性: ductility; drawability; stri ...金屬: metals genus延性金屬 韌性金屬: ductilemetal保護(hù)性金屬: sacrificial metal超導(dǎo)性金屬: superconducting metal下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯