锡价还应下跌吗？
在几个月的时间里，世界市场上的锡价猛跌到低于官方的最低限价。
For a few months the price of tin on world markets fell through the official floor.
人们不会谈论关于铜价和锡价的小道消息，但他们喜爱谈论邻居家的房屋达到了怎样的价位。
People do not gossip about the value of copper and tin, but they like to talk about how much the neighbour’s house went for.
为使钨完全还原为5价，通常单独使用三氯化钛或氯化亚锡作还原剂。
In order to reduce tungsten to W5 + completely, titanium trichloride or stannous chloride were generally used as reducing agents.
为使钨完全还原为5价，通常单独使用三氯化钛或氯化亚锡作还原剂。
In order to reduce tungsten to W5 + completely, titanium trichloride or stannous chloride were generally used as reducing agents.
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