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自六十年代以来,大型柴油机的比功率大幅度的增长,到1964年对应于平均有效压力为10巴的增压比还在2.2以下,而与平均有效压力16巴和18巴相对应的增压比便达到2.9～3.3。有意义的是早在1966年人们就开
The specific power of large diesel engines has increased substantially since the 1960s and by 1964 the pressure increase corresponding to an average effective pressure of 10 bar was still below 2.2 and the increase corresponding to an average effective pressure of 16 bar and 18 bar Pressure ratio will reach 2.9 to 3.3. What makes sense is that as early as 1966 people started