活动吸液罩属于一般化工机械设备。
The utility model relates to a movable sucking cover which belongs to general chemical engineering machinery.
列举了化工机械设备用钢及合金的种类、牌号。
And the grades of the steel and alloy used for the plant of chemical industry was also illustrated with example.
化工机械在化工企业当中是必不可少的生产设备，机械设备的防腐问题也是经常被提到的事情。
Chemical industry equipments are essential production equipments for the chemical manufacturers, how to antisepticize is a question being discussed frequently.
化工机械在化工企业当中是必不可少的生产设备，机械设备的防腐问题也是经常被提到的事情。
Chemical industry equipments are essential production equipments for the chemical manufacturers, how to antisepticize is a question being discussed frequently.
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