Meaning of ろうどうせつやくてきぎじゅつしんぽ in Japanese

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ろう どうせ つや ぎじゅつしんぽ

  1. Words

Definition of ろうどうせつやくてきぎじゅつしんぽ

  1. (n) labor-saving technological progress; labour-saving technological progress
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