常見(jiàn)例句雙語(yǔ)例句The reason for low strength and hardening slowing of quick lime—coal ash extruding piles are analysed theoretically.本文從理論上分析了生石灰—粉煤灰擠密樁硬化緩慢和強(qiáng)度低的原因。 返回 quick hardening lime