無鉍鉛 的英文怎麼說

中文拼音 [qiān]
無鉍鉛 英文
bismuth free lead
  • : 無Ⅰ動詞(沒有) not have; there is not; be without Ⅱ名詞1 (沒有) nothing; nil 2 (姓氏) a surn...
  • : 名詞[化學] bismuth (83號元素, 符號 bi)
  • : 鉛名詞1. (金屬元素) lead (pb) 2. (鉛筆心) lead (in a pencil); black lead
  1. Pb - free solders ? sn - bi - zn based with our own patent and their modification to fit for package applications

    焊錫?錫鋅系焊錫,材料設計、開發,焊料(錫球、錫膏)開發等。
  2. In this paper, development of these three kinds of free cutting steels for machine structure purpose is described

    概述了錫易切削鋼、易切削鋼、石墨易切削鋼這3類機械結構用易切削鋼的發展情況。
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