Thursday, September 15, 2022
问题:燃气冷藏用具类包括()A、燃气冰箱B、燃气冷柜C、燃气保温器...
Wednesday, April 17, 2024
问题:安装时法兰螺孔应能保证螺栓自由插入,螺栓拧紧后应外露()扣。...
Thursday, September 15, 2022
问题:中压燃气管道在置换过程中,气体的压力应该控制在()...
Thursday, September 15, 2022
Thursday, April 11, 2024
问题:用户家液化气泄漏,抢修人员上门时,下面哪些做法是错的()A、进门前敲门B、进门前按门铃C、去之前打电话预约D、打开抽油烟机E、开窗通风...
Thursday, August 7, 2025
问题:嵌入式灶具必须使用燃气专用不锈钢波纹管,且长度不超过()米...
Thursday, September 15, 2022
Thursday, April 11, 2024
问题:比地平高的燃气管道的标高一定在数字前面加“+”号。...
Thursday, August 7, 2025
Wednesday, March 27, 2024
Thursday, September 15, 2022
问题:一贮油罐高度为1m,油品比重r=0.9,油处于1m高度时油罐底部...
Thursday, September 15, 2022
问题:燃气工程的(),应根据工程性质由建设单位组织相关部门、燃气供应单...
Thursday, September 15, 2022
Thursday, September 15, 2022
Thursday, September 15, 2022
Wednesday, May 3, 2023
Tuesday, February 20, 2024
问题:家用燃烧器具的种类很多,大致分为哪()大类A、炊事用具B、采暖供冷用具C、洗涤干燥用具D、冷藏用具...
Sunday, June 1, 2025
问题:防腐绝缘层的防腐原理是利用防腐绝缘层来加大管道与土壤间的过渡电阻(),降低,减小电化学腐蚀达到防腐的目的。...
Tuesday, September 12, 2023
问题:涡轮流量计是一种()流量仪表。A、质量式B、差压式C、速度式D、电子式...
Tuesday, August 12, 2025