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Theerawat Duangsin
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ความร้อน
by
Theerawat Duangsin
ของไหล
by
Theerawat Duangsin
แม่เหล็กไฟฟ้า
by
Theerawat Duangsin
ไฟฟ้ากระแสสลับ 1
by
Theerawat Duangsin
ไฟฟ้ากระแส
by
Theerawat Duangsin
ไฟฟ้าสถิต
by
Theerawat Duangsin
แร่และหิน
by
Theerawat Duangsin
