n.多部
automatic pressure release by multi section of the line 分段压低自动控制输水
He has lived one section of miserable life. 他过了一段悲惨的生活。
Signals control each section of the railway track. 各种信号控制着铁路轨道的每个部分。
A hinged or removable section for a table top. 活动桌面桌子上部有铰链连接或可移动的部分
First the surgeon performed the section of the blood vessel. 外科医生首先切开血管。
