发布时间:2025-01-31 04:47:16
预应力管桩A、AB、B、C代表的是管桩按抗弯性能或有效预压应力值分为的四种类型,,其有效预压应力值分别为4Mpa、6Mpa、8Mpa、10Mpa。
ps制作一张幕布长度是35m高度是22m请问在ps新建的时候尺寸和分辨率分别应该怎么设谢谢
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