智利和阿根廷对于南极的领土主张都持强硬态度。Both Chile and Argentina feel very strongly about their territorial claims to Antarctica.他测量了到南极洲海岸最近的距离，以及从海岸再到南极的距离。He measured the distance to the nearest Antarctic coast, and onwards to the Sout...
The material with high water is a new water - hardening inorganic gelling material.高水材料是一种新型水硬性无机胶凝材料,水灰比高达3.0.The mixture of Putty and Hardener should be used up before gelling.原子灰与固化剂混合后,要在凝固前使用完毕.Fully immerse gelling...