valve mechanism of internal combustion engine
·2,447,543篇论文数据,部分数据来源于NoteExpress
-
In this paper, we present a unified optimal model, i. e., the minimizing functional with constraints for the optimal design of critical and low velocity internal combustion engine valve mechanism.
本文为中低速内燃机配气机构的最佳设计,提供了统一的优化模型——条件泛函极值问题。
youdao
更多双语例句