The pumps employed on board ship can be divided into two main categories i.e_____ pumps and centrifugal pumps.
所属题库：二管轮
题目介绍:
Thepumpsemployedonboardshipcanbedividedintotwomaincategoriesi.e_____pumps
andcentrifugalpumps.,
gear?nonpositive displacement?positive displacement?rotary? 本题为最佳选择题收录于二管轮题库中。
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