水工建筑物隐患探测 hidden defects: 隐蔽缺陷; 隐藏瑕疵detection of defects: 缺陷检查structure defects: 组织瑕疵hidden structure: 掩蔽构造defects of wood structure: 木材构造缺陷下载手机词典可随时随地查词查翻译