单层金属化one: Once one is one. 一乘一等于 ...level: n. 1.水平仪,水准仪;水准测量。 2.水平线,水平面 ...one layer metallization: 单层金属化double level metallization: 双层金属化two level metallization: 双层金属化下载手机词典可随时随地查词查翻译