短語詞組短語contraction E crack 收縮破裂concrete thermal contraction stress crack 混凝土溫差收縮應(yīng)力裂縫initial amplitude contraction crack 初期收縮裂縫thermo -contraction crack 溫縮裂縫temperature contraction crack 溫縮裂縫plastic contraction crack 塑性收縮裂縫mechanism of contraction crack 縮裂機(jī)理Solidification contraction crack 收縮裂紋contraction -caused crack 收縮裂縫 返回 contraction crack