油泵固定座与上箱体安装面相互合固定；
Oil fixed base and the installing face of upper tank is fixed with each other.
上箱体单元具有上箱体及 供油泵设置的油泵固定座；
The gluing oil tank comprises upper tank cell and lower tank cell relative to upper tank cell.
箱体包括上箱体和下箱体，上箱体上有可以开启和关闭的门。
The box comprises an upper box and a lower box; in which, the upper box is a door capable of being opened and closed.
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