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1·Phantom zebra, is the life safety line.

实线虚线斑马线，都是生命安全线。

2·Use your silk thread as a safety line when you walk.

走路的时候，蛛丝就是你的安全带。

3·Metro safety line is very important to the daily operation.

地铁安全线在日常运营中对保障运营安全有着重要意义。

4·A: Wait behind the yellow safety line; refrain from sticking your head out when the train pulls in.

答：等候列车请务必站在黄色安全线后，列车进站不要探头张望。

5·Or when I stand behind the safety line at the luggage carousel to find my way completely blocked within seconds.

还有当我站在行李运输带的安全线后面时，只一瞬间我前面就挤满了人。

6·The causes to troubles in safety line of door system for vehicle compartments are analyzed, and measures for solution are put forward.

分析了车辆客室门系统安全线故障的原因，并提出了解决措施。

7·Following their usual procedures, the boat crew deployed a tag line behind the boat and a safety line leading from the transom to the anchor line at a depth of 15 feet.

按照他们的正常程序，船员部署好了标记线和5米深处从横梁到锚线的安全停留线。

8·The final line is a safety measure.

最后一行是一个安全的方法。

9·The data from sensors installed on the Jubilee Line, however, helped confirm engineers' concerns that safety problems were developing in the monitored tunnel.

然而，来自安装在朱比里线内的传感器的数据证实了工程师们所担忧的事，被监测的隧道已逐渐呈现出安全问题。

10·They work in pairs, partly for safety, partly to keep each other in line.

为安全起见，他们分成几组，成对的工作，互相联系保持协调。