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They were pouring concrete into the pit.
他们正往坑里倒混凝土。
youdao
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Concrete preparation and pouring play a key role in construction.
而混凝土的制备和灌注，在施工中起到关键的作用。
youdao
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Concrete preparation and pouring play a key role in construction.
而混凝土的制备和灌注，在施工中起到关键的作用。
youdao