The actual pumping has been sub-contracted, and once the installation is complete the operator will be responsible for both the operation and maintenance of the facade for ten years.
实际抽水已分段承包，一旦安装完成后，经营者必须既负责操作和维修的幌子，为十年。
The actual pumping has been sub-contracted, and once the installation is complete the operator will be responsible for both the operation and maintenance of the facade for ten years.
实际抽水已分段承包，一旦安装完成后，经营者必须既负责操作和维修的幌子，为十年。
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