gap width短语¹⁴⁴⁹⁷²⁺² 基本例句 n.分类间距 The results show that the crack extent, the crack width and the reinforced bar stresses increase with the increment of the original gap width in the operation; 同时研究结果表明：运行期，混凝土衬砌的开裂范围、裂缝宽度和相应的钢筋应力随着衬砌与围岩之间初始缝隙值的增大而增大； cnki