COVAL - 代沟- 文丘里- 真空泵，真空发生器

COVAL - 代沟- 文丘里- 真空泵，真空发生器

$62.88

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venturi pneumatic vacuum
COVAL - 代沟- 文丘里- 真空泵，真空发生器

A total of 4 guests made comments

2026-01-29

Functional design, easy setup, and durable material make it convenient to use.

2026-01-30

Everything was as described — reliable performance and solid materials.

2026-02-02

Works great, looks solid, and came right on time.

2026-01-28

Works just as intended, feels durable.

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