perforated tray column [化工] 孔板塔
hole pitch of perforated tray 筛板孔距
perforated impression tray [口腔] 有孔印模托盘
perforated metal cable tray 疏孔的金属线架
perforated shower tray 多孔喷淋塔盘
perforated instrument tray 释义钻孔器械托盘
The results showed that the tray efficiency of the ripple tray was raised more than homogeneous perforated ripple tray.
实验结果表明，与均匀开孔的波纹塔板相比，这种新型波纹塔板的板效率有较明显的提高。
The results showed that the tray efficiency of the ripple tray was raised more than homogeneous perforated r…
实验结果表明，与均匀开孔的波纹塔板相比，这种新型波纹塔板的板效率有较明显的提高。
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