“drain water seal”的概念、定义、翻译、参考文献-科学参考

单词	drain water seal
释义	drain water seal Encyclopedia 工学实验排水系统释 drain water seal排水水封设在卫生器具排水口下抵抗排水管内气压差变化，防止排水管道系统中气体窜入室内的一定高度的水柱。
随便看	sub-diffusive process subdirect subdirect decomposition subdirect irreducibility subdirectly irreducible subdirectly irreducible algebra subdirectly irreducible group subdirectly irreducible ring subdirectly reducible algebra subdirect product subdirect representation subdirect sum subdirect union subdistribution sub-district and neighborhood committee system subdistrict office subdivide subdivision subdivisional works subdivision by analogy subdivision chain subdivision chain mapping subdivision for curves and surfaces subdivision of a complex subdivision of a graph

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