发动机预防性保养程序
engine preventive maintenance procedure
每年的预防保养检查
yearly preventive maintenance check
每周的预防保养检查
weekly preventive maintenance check
润滑和预防性保养计划
lubrication and preventive maintenance schedule
检查和保养协议
inspection and maintenance agreement
发动机运转预防性保养步骤
engine running preventive maintenance procedure
推荐的天然气备用发电机组预防性保养
natural gas standby generator preventive maintenance recommendation
有效的预防性保养计划
effective preventive maintenance program
标准检查程序
BM BenchMark test program
Bench mark