“flexible ventilation ducting”的概念、定义、翻译、参考文献-科学参考

单词	flexible ventilation ducting
释义	flexible ventilation ducting [´flek·sǝ·bǝl vent·ǝl`ā·shǝn ´dǝk·tiŋ] ^{MINING ENGINEERING} Flexible fabric tubes covered with rubber or polyvinyl chloride, used for auxiliary ventilation.
随便看	usnic acid usninic acid USP acid test U stage Ustalf Ustert Ustilaginaceae Ustilaginales Ustoll Ustox Ustult UT 0 UT 1 UT 2 utahite UTC uterus uterus bicornis utilidor utility utility routine utilization factor utilization rate utilization ratio utricle

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