“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	laser search apparatus laser seeker laser-seeker laser sensitometer laser sensor laser shearographic testing system laser shock processing laser shock welding laser signal laser sintering laser solid-solution strengthening laser source laser space communication Laser speckle laser speckle laser speckle imaging non-destructive testing laser speckle interfer laser spectral analysis laser spectroelectrochemistry laser spectrometry laser spectroscopy laser spectroscopy of cold atoms laser spectrum laser spectrum analyzer laser spike

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