词汇	entrance section
释义	entrance section 口段
随便看	backwall grouting backwall injection backwall of work well backwall photovoltaic cell back-wall photovoltaic cell backwall photovoltaic effect back walls backwall solar cell backwall type back wall 玻璃熔窑 back wall玻璃熔窑 backward back-ward backward a backward acceleration backward acknowledgement backward acknowledgement information backward acting backward-acting backward acting decoder backward-acting decoder backward-acting, forward acting-regulation backward acting regulator backward-acting regulator backward action