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run-off n.(同分者之間的)決賽;〔美國〕(地表)徑流,徑流量。

run-over

Nearly all civil engineering structures, roofs, roads, and any concrete work have a run-off coefficient of about 95 per cent . 幾乎所有的土木工程構筑物,屋頂、道路和所有的混凝土工程,其徑流系數均為95左右。