梯形图语言
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Ladder Logic Programming Language 梯形图LAD
ladder diagram language 梯形图语言
the language of ladder graphics 梯形图语言
logic language on ladder diagram 梯形图逻辑语言
ladder language
梯子的语言
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The OCR, meanwhile, is setting up a Language Ladder, starting at primary school, to assess children's skills in reading, writing, listening and speaking.
BBC: NEWS | UK | Education | Language teaching 'too boring'
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