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The online or in-class science solution. Standards-based & partnered with the NSTA. Includes 5E Lesson Plans, Reading Material, Quiz Games, DIY Activities & More. Try it Free
Used in 30k+ Schools · Ready-to-Go Lessons · Try It Free for 30 Days · Loved by Kids
Types: Grades K-2 Science、Grades 3-5 Science、Grades 6-8 Science
ARRESTER, VARISTOR, TVS, 突波電流電壓抑制...
arrester · tvs · 突波吸收器 · varistor