The rare earth-magnesium-calcium alloy is a compacted agent more suitable for high gray iron in cupola.

Gray iron has corrosion resistance that is improved over steel in certain environments.

灰口铁具有抗腐蚀能力,在某些环境下,甚至超过钢.

Abstrace : The influence of titanium on the structure and properties of gray iron was investigated.

研究了钛对灰铸铁组织和性能的影响.

The forming process of castchromized alloy layer on the surface gray iron has been studied.

研究了铸铁表面铸渗铬合金层形成过程.

Abstract: In this paper, an achievement on water-soluble cores of aluminabase suitable for gray-iron casting is reported.

文摘: 本文报导了一种可用于铸铁件生产的刚玉基 水溶性 型芯的研究成果.

Main casting products: ductile iron and gray iron.

主要铸件产品: 球墨铸铁、灰口铸铁.

Many Methods: Were adopted, among them the most effective method was the application of floating roof.

为此,人们采取了许多方法, 其中最有效的方法是浮顶的应用.

Supply & install of tank aluminium internal floating roof in CRC Tsing Yi Terminal in 2006.

2006年于华润青衣油库供应 及 加装缸内铝浮顶.

Drag onto the page, then right-click to show floating roof or sump.

拖到绘图页上, 然后右击可显示浮顶或贮槽.

The combined arch and cable structure is a roof structure with large deformation.

拉索拱结构是大变形组合结构.

The shape of the roof structure was derived from growth patterns found in nature.

形状的屋顶结构源自增长模式在自然界中发现的.

The core of ground control theory in shallow seam is roof structure and its stability.

浅埋煤层岩层控制理论的核心是顶板结构及其稳定性.

Can also protect roof structure.

还可保护屋顶建筑结构.

When baby teeth began to appear, you can clean them with a wet toothbrush.

当婴儿的牙齿长出后, 你可以用湿润的牙刷给婴儿刷牙.

Baby teeth long time Youyang expansion of small and gums teeth biting things he can comfortably.

宝贝长牙的时候小牙床又胀又痒,咬咬东西能使他舒服些.

Even though baby teeth will eventually be lost, they are as important as the adult teeth.

虽然乳牙最后会掉, 它们与成人牙齿一样重要.

This the next 3 months as the baby teeth fall out the new permanent ones come in.

这个过程将会持续3个月,期间乳牙脱落,新的恒牙生长出来.

When baby teeth begin to appear, you can clean them with a wet cloth too toothbrush.

当婴儿的牙齿开始出现的时候, 你可以用潮湿的牙刷来清洁它们.

Why Do Baby Teeth Fall Out?

为什麽乳牙会脱落?

Gender differences obviously exist in the process of drinking water supply and its impact.

自助过程中存在着明显的性别差异.

Village drinking water supply, 15 villages of program-controlled telephones, cable television eight villages, 15 villages cement.

村村饮用自来水, 15个村通程控电话,8个村通有线电视, 15个村通水泥路.