contrapuntally
对位地
例句
It is necessary to systematically and contrapuntally study the anti-corrosive special of the bridges in the high-concentration saline region from the design, construction and maintenance.
部分区域的桥梁构筑物处于盐场的腐蚀环境中,因此,必须进行特殊的防腐设计,以满足结构的耐久性要求。