您要查找的是不是：
- Alloys will not have the same properties as pure metal. 合金没有纯金属所具有的同样的性能。
- The transmitter was pulsed by an electron tube. 电子管使发射器产生脉冲波。
- An electron tube having a cathode and an anode. 电子二极管有一个阳极和一个阴极的电子管
- electron alloys 镁铝合金
- A work of art made of one of these alloys. 青铜制品由上述的一种合金制成的艺术品
- These alloys weld at different heats. 这些合金可在不同的温度熔接。
- The number of electron pairs an atom can share with other atoms. 共用电子对数，共价一个原子与其他原子共用的电子的对数
- An electron with a negative charge, as contrasted with a positron. 电子带有负电荷，与正电荷相反的电子
- Any of various alloys of mercury with other metals, as with tin or silver. 汞齐，汞合金各种汞和其它金属，如锡或银的合金
- These alloys weldat different heats. 这些合金可在不同的温度熔接。
- Mainly used as an additive in hard alloys. 主要用于硬质合金添加剂。
- Brazing of copper, copper alloys and steel etc. 钎焊铜及铜合金、钢等。
- Fundamentals of Creep in Metals and Alloys. 金属与合金中蠕变的基础原理。
- Guimeng alloys, silicon metal production and sales. 硅锰合金，金属硅生产、销售。
- All of these alloys are readily weldable. 所有以上合金均可焊。
- Attempts to split an electron always fail. 企图分裂电子的尝试总是失败的。
- Amorphous alloys are a new type of metal material. 摘要非晶态金属是新型的金属材料。
- An electron from one of the atom shells is ejected. 电子从原子的某一壳层中被弹射出来。
- Iron-nickel alloys with particular dilatability. 英文名称： Nickel and nickel alloys.
- Each electron bears a single negative charge. 每一个电子都带有一个负电荷。
