英语词汇“material protection and maintain”的翻译、意思、用法、释义-英汉汉英双解词典

单词	material protection and maintain
释义	material protection and maintain 材料保护保养
随便看	Datum storage datum storeroom datum strand datum stream datum surface datum surfaces datum symbol datum symptom datum system datum system of horizontal plane datum table datum target datum temperature datum time Datum tool datum tooth datum transferring datum transform datum transformation datum transformation parameter datum transmission datum unification datum value datum vertex datum water level