短語詞組短語laser zone -melting 激光區(qū)熔vertical zone -melting method 垂直區(qū)熔法zone -melting 區(qū)熔arc zone -melting 電弧區(qū)域熔煉horizontal zone -melting technique [晶體]水平區(qū)熔法 返回 zone melting