The failure to agree on manning levels is a major stumbling-block to progress in the talks . 人员配备情况未能达成协议是会谈进行中的主要障碍。
2.
Bridge manning ? master uses passage plan to anticipate areas of high workload and risk and sets manning levels appropriately 人工驾驶船长对进入的船舶运输高度繁忙和风险区域，所使用的的指令和建立的适当的人工操作。
