释义 |
middle position短语⁷⁰¹⁶² 基本例句 中间位置 The principle part of the dam which plays a supporting role is made of moraines and gravel and its middle position setting asphalt concrete core- wall plays an anti-seepage role. 大坝主体由堆石坝或砾石组成,起支撑作用,中间设置沥青混凝土心墙起防渗作用。 fabiao There is pulling device at the bottom and middle position which is convenient for the different size processing. 底部和中部均有基准拖料装置,便于不同尺寸加工; jntxglass |