发动机润滑剂技术规格
engine lubricant specification
润滑剂技术规格部分
lubricant specifications section
技术规格
technical specification
technical standard
technical specifications
Technical standards
Specification
quality specification
technological requirements
润滑油技术规格
lubrication specification
改型技术规格
modification specification
modifications specification
齿隙技术规格
tooth clearance specification
技术规格使用公报
specification service bulletin