护壁，汉语词语，读音为hù bì，指室内墙面或柱身外加的表面层。
...技资讯 - 水资讯网 关键词:开槽; 护壁; 混凝土浇筑; 地下连续墙; 锯槽机 [gap=908]Key words: channel forming; wall protection; concrete placement; underground continuous wall; channel - cuttingmachine ..
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我家的护壁是绿色的。
他们已经投入更多的力量建起更强大的保护壁垒。
They have thrown their energies into building up ever more powerful defences.
网络已经侵蚀了传统企业的保护壁垒，却并没有提高哪怕一家现有企业的竞争地位。
The Web has eroded the barriers protecting traditional businesses without improving the competitive position of even one incumbent.
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