單項選擇題

商場書店的新風(fēng)量應(yīng)不低于()。

A.30m3/(h/人)
B.20m3/(h/人)
C.40m3/(h/人)
D.10m3/(h/人)

微信掃碼免費搜題
<big id="wlrws"><wbr id="wlrws"></wbr></big>
<li id="wlrws"></li>
<thead id="wlrws"><delect id="wlrws"><fieldset id="wlrws"></fieldset></delect></thead>
  • <strike id="wlrws"><em id="wlrws"></em></strike>