...~~那个最好用国家标准的 千万不要自己研究 很危险的 有卖现成的~~~不过我可以给你点资料一读~~: 工业纯铅 又称软铅(soft lead ) 。含铅量达99.50%~99.94%的纯铅。
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soft lead wire 软铅丝
FLEX-SOFT LEAD APRON 超柔软型铅围裙
soft lead plate 软铅板
soft-lead core 软铅蕊
FLEX-SOFT LEAD COLLAR LEAD CAP 超柔软型铅围领
lead-coated soft copper wire 铅包软铜线
lead-alloy-coated soft copper wire 铅合金包覆软铜线
I need a pencil with a soft lead.
我要一枝笔芯柔软的铅笔。
我需要一支软铅笔芯的铅笔。
The conclusion of The Powers to Lead, his survey of the theory of leadership, is that a combination of hard and soft power, which he calls "smart power", is the best approach.
他研究领导学理论的书作《领导的力量》的结论是:硬实力和软实力的结合,也就是他所称的“巧实力”,才是最佳方式。
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