polyurethane spray foam造句
造句与例句
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- :I wonder what would the effect would be of mixing RDX with a polyurethane spray foam ? talk ) 01 : 15, 22 August 2014 ( UTC)
- These low molecular weight, aromatic polyester polyols are used in rigid foam, and bring low cost and excellent flammability characteristics to polyisocyanurate ( PIR ) boardstock and polyurethane spray foam insulation.
- Exposure to chemicals that may be emitted during or after application of polyurethane spray foam ( such as isocyanates ) are harmful to human health and therefore special precautions are required during and after this process.
- It's difficult to see polyurethane spray foam in a sentence. 用polyurethane spray foam造句挺难的
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