Environmental Protection Daily Quiz: Participate on 9/17 for a prize; an additional reward for those who get it right
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This post was last edited by slll611 on 2015-9-19 at 20:44. I saw that some friends asked what kind of rainwater is considered initial rainwater; everyone can take a look: Initial rainwater refers to the rain that has just fallen. The rainfall amount over (10–20) minutes during a single rainfall event.
Initial rain refers to the rain that has just fallen. The rainfall amount during the first 10–20 minutes of a rainfall event.
This seems to be 5 minutes…………
First 25 minutes----------------------------------------
Initial rain refers to the rain that has just fallen. The rainfall amount over (10-20) minutes during a single rainfall event.
Initial rain refers to the rain that has just fallen. The rainfall amount during (15) minutes of a single rain event.
First 10~20 minutes~~~~~~~~~~~
Initial rain refers to the rain that has just fallen. The rainfall amount during (10-20) minutes of a single rainfall event
Initial rain refers to the rain that has just fallen. The rainfall amount over a period of (10–20 minutes) during a single rainfall event.
Initial rain refers to the rain that has just fallen. The rainfall amount over (10-20) minutes during a single rainfall event.