安全阀控制提动头
relief valve control poppet
大黄醇提制剂
Rhubarb’s alcoholic extract product
大黄水提制剂
Rhubarb’s water extract product
提制工艺
Extract and Manufacturing technology
步进伺服提花控制
step servo jacquard control
抽提蒸馏制苯
extraction distillation Benzene-making
当期准备金提存制
Contemporaneous Reserve Accounting (CRA
点火提前控制
ESAC Electronic Spark Advance Control
动臂提升控制阀壳
boom raise control valve housing
多策略提取机制
multi-strategy extraction mechanism
发动机可编程电子控制发动机正时提前
peec engine timing advance