manhole
... 夹层(电缆汇接室,switch cabin) 工作井(manhole) 电缆构筑物(cable buildings) ...
active well
... active water 侵蚀性水;活性水 active well 工作井 active zone 活动带 ...
work well
... Ur city has a beautiful name » 乌尔城市有一个美丽的名字 work well » 工作井 I good think you.。 » 我好想你。。 ...
working shaft
... 桥管法 bridging pipe1ine method 工作井working shaft 管道严密性试验leak test ...