富于 硅氧 的岩流及罗依山霏细岩的喷出作用占据了广大面积.The extrusion of silica - rich lava, the Rooiberg felsite, occurred on a grand scale.矿体赋存在燕山期变质流纹斑岩、霏细岩中.The ore bodies are confined to Yanshanian metamorphosed rhyolite porphyry and felsite....
MILWAUKEE, Feb. 29, 2008 ? Rockwell Automation will acquire the Safety and Automation business of CEDES AG.密尔沃基2月29日消息 —— 罗克韦尔自动化将收购CEDES公司的安全和自动化业务.Rockwell Automation defines sustainable production as cleaner, safer mo...
Bunbury flopped down upon the bed and rested his tired feet.邦伯里重重地倒在了床上，让他疲惫的双脚休息一下。Bunbury flopped down upon the bed and rested his tired feet...邦伯里重重地倒在了床上，让他疲惫的双脚休息一下。O'Leary made to open the door, but Bunbury fo...