hose line办: do; manage; handle; tackle; ...管: pipe; tube管线: line pipe; lead-out管管: kudakuda管线: line pipe; lead-out◇管线安装 pipelining; 管线泵 in-line pump; 管线测量 pipeline survey; 管线敷设 pipelining下载手机词典可随时随地查词查翻译