A.不宜小于48L/S B.不得小于48L/S C.不應(yīng)大于48L/S D.不得大于48L/S
A.40L/S B.45L/S C.30L/S D.35L/S
A.不宜小于1.0h B.不應(yīng)小于1.0h C.不宜小于2.0h D.不應(yīng)小于2.0h