Ontario has registered 30,000 mining claims in an area west of James Bay nicknamed the "Ring of Fire", where chromite (used for stainless steel) was found in 2006.
安大略省已经在詹姆斯湾西部地区注册了30000处矿藏,该地区的绰号是“火环”,这里2006年发现铬铁矿藏(用于制作不锈钢)。
Ontario has registered 30, 000 mining claims in an area west of James Bay nicknamed the "Ring of Fire", where chromite (used for stainless steel) was found in 2006.
安大略省已经在詹姆斯湾西部地区注册了30000处矿藏,该地区的绰号是“火环”,这里2006年发现铬铁矿藏(用于制作不锈钢)。
The design principle and the structure of the steel platform for the construction of Hangzhou Bay Bridge are introduced and the major problems and points of attention are pointed out.
介绍了杭州湾跨海大桥桩基施工钢平台的设计原则、钢平台的构造和设计,同时指出了钢平台施工中应注意的主要问题。
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