这样可以使整套部件旋转至背板漏液排出孔与泵的最底端对齐。
This set of components can rotate to the back leakage discharge hole and pump the bottom of the alignment.
这样可以使整套部件旋转至背板漏液排出孔与泵的最底端对齐。
This can render the entire set of components to rotate back leakage from the hole and pump alignment at the bottom.
在隔膜安装完毕、并且背板漏液排出孔置于垂直位置之后，安装泵头。
In diaphragm installed and put back leakage from the vertical position of holes, the installation of pump head.
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