คลื่นกล

Age: 14-17
Level: 9
Language: Thai (th)
ไอดี: 1251667
11/08/2021
Country code: TH
Country: ไทย
School subject: science (1061735)
Main content: Wave (2068971)
From worksheet author:

wave and consist

Other contents:
wave sound

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คลื่นกล
คลื่นกล

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