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Member for
3 ปี 4 เดือนAge: 12
Level: Grade 1
Language: Chinese
(zh)
ไอดี: 1332556
31/08/2021
Country code: MY
Country: Malaysia
Main content: 机械 (1998666)
解释并举例以下简单机械的种类和其用途
Other contents: 简单机械
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