The convector pits are covered with concrete grids that are prefabricatedbuilding pigsties.
供热器并被通常用在猪圈上的混凝土格栅覆盖。
词典释义:
"猪圈"
The convector pits are covered with concrete grids that are prefabricatedbuilding pigsties.
供热器并被通常用在猪圈上的混凝土格栅覆盖。
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