midspan的意思？

The crack near midspan is more clearly represented by the predicted behavior for stage 1.跨中附近的裂纹用阶段1所预期的特性来表示更为恰当.Excessive midspan lag is one of the main problems of large span prestressed concrete girder bridges.跨中下挠过大...

midspan的音标：midspan的英式发音音标为：['mɪdspæn]midspan的美式发音音标为：['mɪdspæn]...