字典網>> 英漢字典>> H開頭詞條>>half-value layer的意思 漢英字典half-value layer中文翻譯：【醫】 半值層, 半價厚度 相關詞條：half-inch tape half-finished goods half-yearly account half-adder half-order theorem half tone scale half-long half-cap crown half decode half-sinusoid