Excavation generally starts with the separate stripping of the organic topsoil, which is later reused for landscaping around the new structure.
通常土方发掘先将有机表土分别挖除，竣工后还可将其用于新修建物周围景观工程。
The stripping and regeneration of the loaded organic phase of P507D were studied.
对P50 7D的负载有机相进行了反萃及再生研究。
The stripping and regeneration of the loaded organic phase of P507D were studied.
对P50 7D的负载有机相进行了反萃及再生研究。
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