线层理构造 bedding sag structure: 层兜构造bedding slip structure: 层滑构造flaser bedding structure: 伪流动构造linear structure: 线型结构; 线性构造; 线状构造;线性结构; 线状结构linear asynchronous structure: 线性异步结构下载手机词典可随时随地查词查翻译