基本解释[土木建築工程]空氣潔淨度等級英汉例句雙語例句We have the first Class-1000 air cleanliness workshop in China, and parts of its environment can reach Class 100.我集團公司擁有國內首家1000級無塵車間，其侷部生産環境可達到100級。air cleanliness class更多例句专业释义土木建築工程空氣潔淨度等級