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China Institute of Refrigeration scheduled to be held in Kunming, 2005, refrigeration and air …

Glossary of plastic performance parameters

1. The meaning of plastic performance parameters

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Zero-cost transformation to beautify any space

Preface: A good home does not require a large amount of money. Sometimes it does not requi…

Seventeen points in the bedroom renovation

The shape of the bedroom should not be inclined bevel

The shape of the bedroom is …

100,000 square meters of sky garden will be capital

The capitalâ€™s airspace is about to build the largest "green space" currently. …

>>> Links: Attention …

Urban primary sewage heat pump device see miraculous

Opened in 1985 on the Songhua River side of Wangjiang Hotel, construction area of â€‹â�…

1 Introduction Electro-hydraulic proportional valve is a proportional solenoid valve based on t…

Sand-free gapless seal pump research results (with photos)

At present, the oil pump plunger and pump cylinder used in each oil field in our country are…

How can labor protection uniforms cut arbitrarily

Recently, when the same security officer went to a petrochemic…

Tiles are the most commonly used building materials for decoration and are generally used …