laying, maintenance, removal of water and underwater cables or pipelines 铺设 、检修、拆除水上水下电缆或者管道; Cable able to keep its transmission capabilities after loading and laying …
The workers are laying a keel of the ship. 工人正在给那艘船安龙骨。 The workers are laying pipes under the road. 工人们正在道路下面铺设管道。 She gestured her disappointment by …