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Participation reward: 2 Wealth. Reward for correct answer: 9 wealth. Building gypsum products have ( ) characteristics. A. Good water resistance B. Poor fire resistance C. Good insulation performance D. High strength. New activities have started in the production area; the prizes are attractive, so come and participate quickly: 【Production Over Summer】The production area has entered the “training during the hot summer days” mode
C: It has good thermal insulation properties. (Good fire resistance, light weight, relatively high strength, excellent sound and heat insulation properties)
Building gypsum products have the following characteristics: they have a high porosity after hardening, with low apparent density and strength; they exhibit good thermal insulation and sound absorption properties; they have good fire resistance; however, their water resistance and frost resistance are poor
Building gypsum products have ( ) characteristics. A. Good water resistance
Building gypsum products have the characteristic of (c). A. Good water resistance B. Poor fire resistance C. Good insulation performance D. High strength
Building gypsum products have the characteristic of (C, good thermal insulation).
Building gypsum products have the characteristic of (C).
Building gypsum products have the characteristic of (C, good thermal insulation performance).
Building gypsum products have the characteristic of (C). A. Good water resistance B. Poor fire resistance C. Good insulation performance D. High strength
Building gypsum products have the characteristic of (C). A. Good water resistance B. Poor fire resistance C. Good insulation performance D. High strength