mechanical scratching pretreatment的意思|示意

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机械划痕预处理

mechanical pressure sprinkler irrigation system 机械压力喷灌系统
High Mechanical Pressure 高机械压力
No Mechanical Pressure Pumps 无机械压力泵
mechanical pressure recorder 机械压力记录仪
mechanical pressure pump 机械压力泵
Mechanical-biological pretreatment Mechanical-biological预处理
mechanical pulp by pretreatment 机械浆预处理
Mechanical Principle & Mechanical Applications [机] 机械原理
Mechanical Principle and Mechanical Ele we are pirates, these data are stolen from youdao s 机械原理和机械Ele我们是海盗，这些数据是从有道偷来的
Course Exercise of Mechanical Principle 《机械原理》课程实践“，