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1·The relative degree of mixture with a base metal; fineness.

成色，纯度和基本金属的相对混合程度；纯度。

2·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。

3·Others struck in silver-plated base metal will cost much less.

其他只是镀银的将比较便宜。

4·In most instances, these repairs involve rework of the base metal.

多数情况下，都要翻修本体金属。

5·The strength and plasticity of welds were equivalent to the base metal.

焊接接头强度、塑性均可达到与母材相当的水平。

6·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。

7·As you can see from previous image I have a Base metal layer below Red metal.

正如你在前面的图里看到的，我有一层基本金属层在红色金属下面。

8·BASE metal, The underlining metal to which alloying agents or metals are added.

基底金属，指合金中的主要金属成份。

9·The microstructure between alloy transition layer and base metal has been studied.

研究分析了合金过渡层与金属基体接合界面组织结构。

10·Filler materials: For welding, base metal matching filler materials shall be used.

填充材料：对于焊接，应使用与基材相匹配的填充材料。