1. The stomata
This is a small cavity formed by the gas that the metal solidification process does not escape inside the metal. Its inner wall is smooth and contains gas, which has a high reflectiv...
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In the world of industrial valves, Tianjin Tanggu Water-Seal Valve Co., Ltd. (TWS...
Looking for a high-quality gate valve at a great price? Look no further than TWS Valve, a specialist valve manufacturer offering a variety of products to suit your needs. Whether you need a resilie...
Advantages and uses of electric butterfly valves
Electric butterfly valve is a very common device for pipeline flow regulation, which has a wide range of uses and involves many fields, such ...
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