單項選擇題
A.(2.3±0.5)s B.(2.4±0.5)s C.(2.5±0.5)s D.(2.6±0.5)s
A.(400±20)kPa B.(410±20)kPa C.(420±20)kPa D.(430±20)kPa
A.(90±20)kPa B.(110±20)kPa C.(120±20)kPa D.(130±20)kPa
A.40kPa B.50kPa C.60kPa D.70kPa
A.0.4mm B.0.5mm C.0.6mm D.0.7mm
A.107mm B.117mm C.127mm D.137mm
A.10mm B.20mm C.30mm D.40mm
A.5mm B.10mm C.15mm D.20mm
A.制熱量大 B.總風量大 C.機外靜壓大 D.用排水泵排冷凝水