片语
flexible and rigid support柔性支护与刚性支护
Rigid Support Rails刚性支架
rigid d support刚性支承
rigid point of support刚性支点
rigid support continuous girder刚性支承连续梁
unyielding support不可压缩支架;刚性支架
semi-rigid support半刚性支撑
intermediate rigid support中间刚性支承
ameliorated continuous rigid-support beam method改进刚性支承连续梁法