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If an operating bilge pump is developing good vacuum, but is unable to discharge any water, which of the following problems is the most probable cause?（）

单选题
2022-06-28 14:56
A、The wearing rings are excessively worn
B、The suction strainer is clogged
C、The discharge valve is clogged
D、The shaft is wor
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正确答案
B
试题解析
标签： 船舶辅助机械
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