By the late 1880s, the city had become too dense with buildings, sewers, and electric cables for the " cut and cover" technique, so a new system had to be devised.
十九世纪八十年代末，伦敦因楼房、污水管、和电缆外露而变得过于拥挤，原因是随挖随填技术，因此，人们需要设计新的设备。
| 单词 | cut and cover technique |
| 释义 |
cut and cover technique
原声例句
每日英语听力 | 双语精读 By the late 1880s, the city had become too dense with buildings, sewers, and electric cables for the " cut and cover" technique, so a new system had to be devised. 十九世纪八十年代末，伦敦因楼房、污水管、和电缆外露而变得过于拥挤，原因是随挖随填技术，因此，人们需要设计新的设备。 |
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