Loess, a special soil widely distributing in northwest area of China, is often used as road foundation filling element and foundation soil during the large-scale highway construction of this area.
黄土是我国西北地区广泛分布的一种特殊土，在西部地区大规模的公路建设中，黄土常常被用于路基填料和地基土。
The element mercury has been shown to damage the human nervous system. Yet, since 1856, mercury amalgam is "the" filling dentists have used to repair our teeth.
虽然说汞对人体神经系统有害，但1856年以来，汞齐就被用于修补人们的牙齿了。
The element mercury has been shown to damage the human nervous system. Yet, since 1856, mercury amalgam is “the” filling dentists have used to repair our teeth.
虽然说汞对人体神经系统有害，但1856年以来，汞齐就被用于修补人们的牙齿了。
应用推荐