... guard against防止；提防；防备；防护 guard column保护柱；予柱；掩护柱；预柱 face guard护面罩；面罩；改为；防护面具 ...
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Column Guard 保护柱
Column... filter and guard column act on sample.
分析柱…滤头和保护柱作用于样品。
End product staircase, staircase column, stainless steel guard rail, staircase fitting, stair rails, front door handle and hardware fitting.
成品楼梯，楼梯扶手，楼梯立柱，不锈钢护栏，楼梯配件，大门拉手及五金件。
The column guard plate provided by the utility model has the advantages that the strength is higher, and the safety performance is enhanced.
本实用新型 提供的立柱护板具有更高的强度，并且增强安全性能。
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