您要查找的是不是：
- In view of the poor solderability of metallic film formed on ceramic surface, a secondary metallization of ceramic surface by nickel plating was advanced. 为提高陶瓷金属化层的焊接性能,提出了一种陶瓷二次金属化镀镍工艺。
- Keywords secondary metal;virgin metal;circulative economy; 原生有色金属;再生有色金属;循环经济;
- I do not know why acids eat in metals. 我不知道酸腐蚀金属的原因。
- Copper and gold are both metals. 铜和金都是金属。
- Metals undergo expansion when heated. 金属加热时会膨胀。
- It follows that acids eat in metals. 由此可知，各种酸对金属都有腐蚀作用。
- Memory has been shown to reside in some metals. 已经证实，记忆存在于某些金属中。
- Her age is of secondary interest. 她的年龄不太重要。
- Metals expand when they are heated. 金属遇热则膨胀。
- She knows why the metal is the good conductor. 她知道金属为什么是好的导体。
- Some metals weld better than others. 有些金属容易焊，有的不容易焊。
- Metals contract in cold weather. 金属在寒冷的天气里收缩。
- In secondary school, children get more advanced knowledge. 在中学，孩子获得更深一些的知识。
- Certain metals are attracted to a magnet. 某些金属会受磁石的吸引。
- A secondary matter; a side issue. 次要的第二位的事; 较次要的问题
- Metals contract as they get cooler. 金属遇冷则收缩。
- Can I fasten these metal plates with rivets? 我可以用铆钉把这些金属板固定在一起吗？
- A secondary mine passageway between two main shafts or tunnels. 次要矿山甬道矿井中连接两条大隧道的小巷道
- The acid eats into metals quickly. 酸腐蚀金属很快。
- You need a strong adhesive to bond wood to metal. 需要强力胶才能把木料粘在金属上。
- 今日热词
-
- 深远海浮式风电平台 - deep-sea floating wind power platform
-
- 京雄高速公路 - Beijing-Xiongan expressway
-
- 农业及相关产业增加值 - the added value of agriculture and related industries
