操作指示 meaning in English

od operations directive
operating instructions
operation instruction

Symbols for indications appearing on woodworking machinery
木工机床操作指示形象化符号
Home page offers version updates and operating instructions
主页提供了版本更新和操作指示。
Electro - discharge machines . symbols for indications appearing
电火花加工机床.操作指示形象化符号
Title , instruction acknowledgment panel
标题操作指示及鸣谢牌
Numerical control of machines - symbols
操作指示形象化符号

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