Saturday, September 17, 2022
Saturday, September 17, 2022
Thursday, January 23, 2025
Wednesday, June 14, 2023
Saturday, September 10, 2022
Friday, June 28, 2024
Wednesday, June 14, 2023
Saturday, September 17, 2022
问题:SVK20-3S氮压机电机功率()KW、排气压力()MPa....
Friday, February 2, 2024
问题:气缸经过镗削加工后,其壁厚减少的尺寸,不得大于原来尺寸的()。...
Saturday, September 17, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
Saturday, September 10, 2022
Saturday, September 17, 2022
问题:蒸汽压缩制冷循环的()和()是在()的情况下进行,不可逆性小,故...
Sunday, September 11, 2022
问题:氧压缩机活塞与气缸间的润滑不能使用油润滑,其解决途径一般是()。A、采用自润滑材料B、采用水润滑C、采用迷宫式结构...
Thursday, August 14, 2025
Saturday, September 17, 2022
Sunday, September 11, 2022
问题:与切换式流程相比,分子筛流程空分装置有哪些优点?...
Monday, June 2, 2025
问题:制作气缸垫通水孔时,不得(),以免影响气缸()。...
Saturday, September 17, 2022