sandhiadj.连接音变的n.连接音变
sandn.沙;沙子;沙滩;黄灰色vt.撒沙;打磨;以沙掩盖
sand-gravel-bituminous mixture沥青砂砾混合料
sand-roller rice milling machine砂辊碾米机
sand consolidated prestressed bolt砂固结预应力锚杆
sand ridge-shallow subtidal zone沙脊-浅潮下相
sand control heavy-oil reservoir出砂机理
sand production from gas reservoir气藏出砂判别方法
sand fracturing of separate layers分层加砂压裂
Sandfly fever sicilian phlebovirus白蛉热西西里岛静脉病毒