Our production and sales of various types of butyl inner tire, Car, lt, heavy series.
我司生产销售各种型号的丁基内胎；汽车、轻卡、载重系列。
A large number of radioactive isotopes among the heavy elements are of three series.
重元素中的大量放射性同位素分别属于三个系列。
The large number of radioactive isotopes among the heavy elements fit into three series .
重元素中的大量放射性同位素分属于三个系列。
A heavy weapons system is a new feature in the series.
重型武器的系统是一个系列中的新功能。
A heavy weapons system is a new feature in the series.
重型武器的系统是一个系列中的新功能。
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