freepeople性欧美熟妇, 色戒完整版无删减158分钟hd, 无码精品国产vα在线观看DVD, 丰满少妇伦精品无码专区在线观看,艾栗栗与纹身男宾馆3p50分钟,国产AV片在线观看,黑人与美女高潮,18岁女RAPPERDISSSUBS,国产手机在机看影片

正文內(nèi)容

主排水泵房施工安全技術(shù)措施-文庫(kù)吧資料

2024-08-15 15:36本頁(yè)面
  

【正文】 ① 泵房通道(錨網(wǎng)噴支護(hù)): S凈 =B1 H1+ R1 R1∕ 2= + ∕ 2 3 =㎡ S掘 =B2 H2+ R2 R2∕ 2= + ∕ 2 =㎡ ② 泵房通道(復(fù)合支護(hù)): S凈 =B1 H1+ R1 R1∕ 2= + ∕ 2 =㎡ S掘 =B2 H2+ R2 R2∕ 2= + ∕ 2 =㎡ ③ 密閉門(mén)硐室: S凈 =B1 H1+ R1 R1∕ 2= + ∕ 2 =㎡ S掘 =B2 H2+ R2 R2∕ 2= + ∕ 2 =㎡ ④ 泵房硐室: S凈 =B1 H1+ R1 R1∕ 2= + ∕2 =㎡ S掘 =B2 H2+ R2 R2∕ 2= + ∕ 2 =㎡ 4 ⑤ 吸水井壁龕: S凈 =B1 H1+ R1 R1∕ 2= + ∕2 =㎡ S掘 =B2 H2+ R2 R2∕ 2= + ∕ 2 =㎡ ⑥ 配水井壁龕: S凈 =B1 H1+ R1 R1∕ 2= + ∕ 2 =㎡ S掘 =B2 H2+ R2 R2∕ 2= + ∕ 2 =㎡ ⑦ 配水巷: S凈 =B1 H1+ R1 R1∕ 2= + ∕ 2 =㎡ S掘 =B2 H2+ R2 R2∕ 2= + ∕ 2 =㎡ 注:
點(diǎn)擊復(fù)制文檔內(nèi)容
范文總結(jié)相關(guān)推薦
文庫(kù)吧 www.dybbs8.com
備案圖鄂ICP備17016276號(hào)-1