A stack molded pulp tray was proposed and designed on the basis of analysing original molded pulp tray.
在分析原有纸浆模塑托盘结构的不足的基础上，设计出层叠式纸浆模塑托盘。
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。
To maintain the original plastic tray for use on a bearing and use the same premise, the cost is mostly identical tray.
而要保持塑料托盘原有使用上的承载及使用不变的前提下，托盘的成本大都相同。
To maintain the original plastic tray for use on a bearing and use the same premise, the cost is mostly identical tray.
而要保持塑料托盘原有使用上的承载及使用不变的前提下，托盘的成本大都相同。
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