压缩介质对压缩机提出的要求The requirement of compression medium to c...
单项选择题压缩介质对压缩机提出的要求The requirement of compression medium to compressor：（）
A、能否允许介质有少量的泄漏Can a small amount of leakage be allowed in the medium
B、能否允许被润滑剂污染Is it allowed to be contaminated with lubricant
C、排气温度的限制Limit of exhaust temperature
D、以上都不对
