smelting造句

• The rise in the use of iron saw the progressive destruction of forests to provide smelting charcoal .
  由于铁的用途日益广泛，人们为了生产冶炼用的木炭，眼巴巴地看着森林资源遭受着连续不断的破坏。
• China was the first country in the world to smelt bronze. bronze-smelting technology was developed by the ancient chinese working people approximately 5,000 years ago. as far back as in the shang dynasty ( 16th century b.c.-11th century b.c. ) , the technology of bronze-smelting -- particularly that of smelting and casting bronze ware -- reached a very high level .
  中国劳动人民就发明了炼铜技术。
• Development situation of corex smelting reduction process
  熔融还原工艺的发展状况
• Studying on smelting metal silicon by coal
  以煤代炭冶炼化学级金属硅的试验研究
• A briefing about gold - smelting furnace of gold mines in china
  国内黄金矿山炼金炉综述
• Code of dust and poison control for lead smelting
  铅冶炼防尘防毒技术规程
• Alchemy and the copper - smelting in song dynasty
  炼丹术与宋代冶铜业革命
• Automatic control system for converting furnace of copper smelting
  铜冶炼转炉自动控制系统
• Code for design of magnesium smelting technology
  镁冶炼厂工艺设计规范
• The technology improvement of bronze smelting for mould cast mirror
  改善范铸铜镜的冶炼工艺
• Code for design of titanium smelting technology
  钛冶炼厂工艺设计规范
• Smelting reduction process of high speed steel
  熔融还原法冶炼高速钢
• Iron is taken from the earth , and copper is smelted from ore
  2铁从地里挖出，铜从石中熔化。
• Shanghai yongsheng metal smelting co . , ltd
  上海永胜金属冶炼有限公司
• The ore is smelted in this large factory
  这个大型工厂里熔炼矿石。
• Technical specifications for the model of iron - smelting blast furnace
  炼铁高炉模型技术条件
• Our tubes are produced through the process of vacuum smelting
  本管材是经过真空熔炼而制成的。
• Electric - smelting transformers with flame - proof
  电精制防爆变压器
• On smelting folk custom of wu yue in the late spring and autum annals
  春秋晚期吴越冶炼民俗刍议
• Design and practice of zinc - smelting plant with jarosite process
  浅议黄钾铁矾法炼锌厂的设计实践