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

通風(fēng)櫥培訓(xùn)-預(yù)覽頁(yè)

 

【正文】 micals (heavy vs. light) will be used in the fume hood通風(fēng)櫥中不同類(lèi)型的化學(xué)品 ? The safety officer is informed BEFORE adjustment is made調(diào)整之前通知安全員 下載 Fume Hoods cont’d通風(fēng)櫥 ? Fume hoods are serviced every 6 months by . Hawkins通風(fēng)櫥每六個(gè)月由 . Hawkins維護(hù)一次 – Cleaning of baffles and inside of fume hood (inhouse)清潔隔板和通風(fēng)櫥內(nèi)部 (實(shí)驗(yàn)室做 ) – Baffle positioning check (. Hawkins)隔板位置檢查 – Smoke Test (. Hawkins)煙霧測(cè)試 – Face velocity certification (. Hawkins)表面速度核查 下載 Fume Hoods cont’d通風(fēng)櫥 ? Three sizes of fume hoods通風(fēng)櫥的三種規(guī)格 – 3 ft: One person only can work in the fume hood at one time只容納一個(gè)人使用 – 4ft: people can work in the fume hood at one time只容納 – 5ft: 2 people can work in the fume hood at one time容納 2個(gè)人使用
點(diǎn)擊復(fù)制文檔內(nèi)容
教學(xué)課件相關(guān)推薦
文庫(kù)吧 www.dybbs8.com
備案圖鄂ICP備17016276號(hào)-1