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Question:

Light steel keel ceiling in the card type of the main keel what model

Light steel keel ceiling in the card type of the main keel what model

Answer:

Card keel is divided into: 23 25 28 32 38 These specifications, the height is generally increased with the model and increased
Cartoon keel is divided into: 23 25 28 32 38 These specifications, the height is generally increased with the model and increased, but because the manufacturers are different models, but the size of the gap is not, should be reasonable Dependable All of the market are these models, but also because of the geographical difference is the selective operation of several.

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