单词：dynamic head
dynamic head的用法和样例：
例句
- How much is the dynamic head of BFP?锅炉给水泵的水力压头是多少？
- The suction head for the vacuum cleaner improves cleaning performance.真空吸尘器的吸入压头改善了吸尘效能。
单词：dynamic head 相关文章
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名人传记
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不择手段背单词
迷你对话 A: Tims smiles are interesting. Tim的微笑很有趣。 B: Yes, they are shy and gentle but very powerful. 是的，他的微笑既羞涩和又温柔，丹是有征服人的力量。 A: You are right. They sweep Nancy off her feet. And
迷你对话学地道口语