二人此刻刚好处在通往德农厅的隧道的一半的路程上。兰登看到了尽头的一对向上的扶手电梯，但两个扶手梯都一动不动。
The two men were now halfway up the Denon Wing's entry tunnel, and Langdon could see the twin ascending escalators at the far end, both motionless.
喷塑车架，可拆梯扶手，可拆脚托，宽座位，可折支撑把手，实心前轮，塑料轮框充气后轮。
Spray frame, removable handrail, removable foot care, wide seats, folding handle support, solid front, pneumatic rear wheel plastic wheel frame.
放下右/左舷硬梯，固定好扶手栏杆和舷梯下的安全网。
Lower the starboard / port gangway, secure guardrail and fix the safety net under the gangway.
放下右/左舷硬梯，固定好扶手栏杆和舷梯下的安全网。
Lower the starboard / port gangway, secure guardrail and fix the safety net under the gangway.
应用推荐