基本解釋[物理學(xué)]封閉區(qū)英漢例句雙語例句The workmen sealed this area off so they could do some construction.工人已經(jīng)把這個(gè)地段封鎖起來,便于施工。The aerator only made of three major parts of pottery aerator aerate screw and cap is simple in structure and of easy assembly. there is a very small sealed area.結(jié)構(gòu)簡單、組裝方便。 整個(gè)曝氣器僅由陶瓷曝氣頭、通氣螺桿、螺帽三個(gè)主要部分組成,密封部位面積極小。Airtight structure is a very important facility in coal mines. It is of great significance to learn changes in parameters at sealed area timely and accurately for safety in production.密閉是煤礦井下一道非常重要的設(shè)施,及時(shí)準(zhǔn)確地掌握密閉內(nèi)各參數(shù)的變化對(duì)安全生產(chǎn)有著重要的意義。www.mct.com.cnsealed area更多例句詞組短語短語sealed entrance area 封閉的入口區(qū)域sealed fire area 火區(qū)sealed area of fire 火區(qū)sealed area更多詞組專業(yè)釋義物理學(xué)封閉區(qū)