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基底金属；[化学]碱金属
1、smoothing base───平滑基底
2、base metal bezel───贱金属挡板
3、base metal yp───母材yp
4、metal───vt.以金属覆盖；n. (Metal)（捷、瑞典）梅塔尔（人名）；n.金属；合金；adj.金属制的
5、illuminating base───照明底座
6、time base───n.时基，扫描基线，扫描发生器；n.[电子]时基；[电子]扫描基线；扫描发生器
7、metal box───金属盒子
8、grandiloquent base───夸夸其谈的基础
9、base───n.(Base)（英、美、爱尔兰）马濑（人名）；adj.卑鄙的；低劣的；v.以……作基础；将……的活动中心设在某地；n.基底；基础；基地；基本成分；碱；（晶体管的）基极；词根；（数系的）基数；（棒球）垒
1、She was holding a teaspoon in her two hands, pressing her thumbs against it as if measuring her strength against the base metal.───她双手拿着一个茶匙，用拇指使劲按着它，好象同这块普通金属较量力气似的。
2、Rebuilding work is also likely to push base metal prices to new heights.───重建工作可能也使金属制品的价格达到一个新高度。
3、strength and plasticity of welds were equivalent to the base metal.───接头强度、塑性均可达到与母材相当的水平。
4、The announcement triggered a brief rally in the base metal sector in London and Shanghai, sending tin prices up to 10 per cent higher.───这一消息引FaLun敦和上海贱金属板块的价格短暂攀升，其中锡价一度上涨10%。
5、Fibrous processing marks remain in the heat-affected zone (HAZ) with part of precipitated solid phase solved into the base metal.───热影响区内，仍可见纤维状加工痕迹，部分析出相固溶到基体中；
6、Most of the heat affected zone retained original structure characteristics of the base metal, and only a fraction of the zone remelted.───热影响区大部分保留了母材的原始组织特征，小部分区域发生了重熔。
7、cross , religious, of base metal, whether or not plated with precious metal to be worn on the person.───宗教十字架，贱金属制，无论是否镀有贵金属，随身佩戴。
8、The surface condition (roughness) of corrosion test sample has a pronounced influence on the pitting resistance of the base metal.───腐蚀试样的表面状态（粗糙程度）对母材金属的耐点蚀性能有明显的影响。
9、Joint tensile strength was high, generally 95% of base metal.───接头拉伸强度较高，一般为母材95%左右。