“self-priming pumps”的概念、定义、翻译、参考文献-科学参考

单词	self-priming pumps
释义	self-priming pumps Encyclopedia 农学农业水土工程释 self-priming pumps自吸泵启动前不需要灌水，自行排出进水管中的空气，经短时间运转，靠泵本身的作用把水吸上来，从而投入正常运行的水泵。
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