Bonding a steel plate at the surface of the tensile area is an effective method to reinforce the rc beams.
在受拉区表面粘贴钢板是加固钢筋混凝土梁的一种有效方法。
A perforated plate (supporting shell) is placed between upper and lower sealing rim to reinforce the pleated material against deformations (sealing force).
一个孔板(支撑骨架)被置于上下密封环的中间来加固折叠材料以防变形(密封力)。
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