The file program can be used to find out a file's type. The file being tested can be a text file ex.
file程序可以用来查找文件类型。
In general a sealing technology involving welding in combination with expand jointing is used for connecting a pipe column to a tube plate in a tubulature type heat ex- changer.
列管式换热器的换热管束与管板连接一般均采用焊接加胀接的密封固定工艺。
Type EX units are available in all sizes for all ventilating requirements. They are specially designed for maximum efficiency and quiet operation.
EX型排风扇可适应所有需要通风的应用。它们是专为最高的效率和安静的操作而设计。
At the same ex citation voltage, the maximum flow rate of the pump is 160% more than the similar type.
在相同电压激励下，泵的最大流量较同类型泵提高了160%。
Bottle type: Aliminium or Co-ex with cap and seal and blue measuring cup.
瓶装：铝制或者复合管，配盖，封尾以及兰色测量杯。
Bottle type: Aliminium or Co-ex with cap and seal and blue measuring cup.
瓶装：铝制或者复合管，配盖，封尾以及兰色测量杯。
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