单选题叶轮两侧盖板都设密封环的离心泵不包括()离心泵。A双吸式B带平衡孔的C带平衡管的D带平衡盘的
单选题
叶轮两侧盖板都设密封环的离心泵不包括()离心泵。
A
双吸式
B
带平衡孔的
C
带平衡管的
D
带平衡盘的
参考解析
解析:
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