海词手机词典

Cerro Verde began operations in April 1977.The electrowinning tankhouse was designed to produce 33,000 metric tones per year of copper cathode operating with current density of 184 amps per square meter and 84.5 percent electrical current efficiency.

播放读音 播放读音

以上内容独家创作,受著作权保护,侵权必究

海词词典,十七年品牌