tunnel-type tray 槽形泡帽塔盘
multifont type tray [印刷] 多种字体活字盘
modified sieve type tray 改型筛板塔盘
Board type tray 板式托盘
dj type tray dj型塔板
new-type tray 新型塔板
cascade-type tray 阶梯式塔盘
oblique tray type compressor 斜盘式压缩机
Overall swing-type tray is convenient for service and maintenance.
整体旋出式托盘，方便检修维护。
This invention relates to a double-row seat-type tray and its making method.
一种双排座式托盘及其制造方法。
DJ-3 type tray and patent distributor were adopted to replace the original float valve trays without altering the tower shell.
采用DJ - 3型塔盘及DJ - 3型专利技术分布器替换了原浮阀塔板，实现了不动塔体的技术改造。
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