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- With the exception of gold, the surfaces of metals are never observed but only their oxides. 除金之外，从来看不到金属的表面而仅能看到它们的氧化物。
- Giddings can be conveniently marked on the surfaces of various kinds of metal panels or the section of metals by this technology, whose performances have not been influenced. 它可以很方便的在各种金属板材的表面上印制网格,对金属本身不产生任何影响。与传统的网格制作方法相比,它具有操作简单、快速、不影响变形、实验数据更准确等优点。
- BJ-1001 is alkali degreaser used for surface of metal treatment. BJ-1001系金属表面处理用的强碱性脱脂剂。
- The aeroplane wing showed signs of metal fatigue. 机翼显出有金属疲劳的现象。
- Uses:Decorative coating for wooden articles,furniture,shells of meters and other surface of metals. 用途：主要用于木器、家具仪表外壳及其它金属制品的表面装饰。
- The frame of the umbrella is made of metal. 伞的骨架是金属制的。
- A chemical solution,such as an acid,that is used as a bath to remove scale and oxides from the surface of metals before plating or finishing. 淡酸水，稀酸液在金属电镀或精加工之前用来除去金属表面铁锈和氧化物的化学溶液，如酸溶液。
- A coating of metal sheets or plates. 金属板的外覆金属片或金属板的外覆
- A chemical solution, such as an acid, that is used as a bath to remove scale and oxides from the surface of metals before plating or finishing. 淡酸水，稀酸液在金属电镀或精加工之前用来除去金属表面铁锈和氧化物的化学溶液，如酸溶液
- He shook a sheet of metal to simulate the noise of thunder. 他摇动一块金属薄片来模拟雷声。
- The gas bubbled to the surface of the water. 气体变成气泡升上水面。
- A thin sheet of metal, especially of tin. 锡铁片薄金属块，尤指锡
- The surface of the liquid gradually crusted over. 液体表面渐渐地结了一层皮。
- A breeze ruffled the surface of the lake. 一阵微风吹皱了湖面。
- Artificially made ornamental patterns similar to those produced by frost, applied to the surface of metal or glass. 霜花纹饰金属或玻璃表面类似霜结图案的手工制装饰性图案
- She levelled the surface of the cake mixture with a metal spatula. 她用金属铲抹平了蛋糕配料。
- A wave broke across the surface of the pool. 一个波浪从池水表面掠过。
- They cut holes on the sheet of metal with a punch press. 他们用冲床在金属板上打孔。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- At present a large number of researches indicate that the surface of metal material while the crack forms, can emit massive low energy electrons. 大量研究表明,金属材料在裂纹形成过程中,表面会发射大量的低能电子。
