求翻译：3。所有成员的钢结构应标有尺寸的成员。标识应采用镀锌前应充分粗糙，允许容易识别后的镀锌。该标记是最好放置附近一结束，在相同的相对位置的每个成员。人民币。是什么意思？

3. All members should be marked with the size of the steel members. Logo should be galvanized before fully rough, galvanized after allowing easy identification. The mark is the best place near the end, in the same relative position of each member. RMB.

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3.All member's steel structure should the sign have the size member.Marking should use before the galvanization to be supposed full rough, the permission easy to distinguish after the galvanization.This mark is best lays aside nearby conclusion, in same relative position each member.Renminbi.

3. Yingbiao sizes of the members of steel structure for all members. Identification should be used should be sufficiently rough before galvanizing, galvanized after allows for easy recognition. Which is best placed near the end, each Member in the same relative position. RMB.

3. The steel construction of all members should mark the members of the size. Should be fully coarse before the sign should be adopted zinc-platedly, it is zinc-plated after being easy to discern to allow. This mark is to put the adjacent place and is over, each member in the same relative position.