“引进的”造句

在他们最近引进的东西里面有两样给我留下了非常深刻的印象。
There are two among their recent introductions that have greatly impressed me.

我们1980年引进的系统有了很大改进。
The system we introduced in 1980 has been a great improvement.

这台机器是在1960年被试验性地引进的.
This machine was introduced experimentally in 1960.

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