1. Before using cement, it is necessary to inspect the quantity, model, strength, etc. of cement to ensure that the cement used meets the requirements. When inspecting, it is important to pay attention to the shelf life of the cement. If the cement has been out of the factory for 3 months, it cannot be used anymore. It should be replaced with a new cement product before use.

2、在調配水泥砂漿時，不可隨意加水，也不可隨意添加助劑，更不可憑感覺來調配。水泥砂漿的調配，需嚴格按照它的比例來操作，若是調配的太稀，砂漿的強度就會降低，這會影響到它的施工。

2. When mixing cement mortar, it is not allowed to add water or additives at will, and it is not allowed to mix based on feeling. The mixing of cement mortar needs to be strictly operated according to its proportion. If the mixing is too thin, the strength of the mortar will decrease, which will affect its construction.

3、在調配水泥時，除了需要加水，還要添加沙子、石頭等材料，這樣能增強砂漿的粘稠性，可以使它施工后更穩定、堅固。

3. When mixing cement, in addition to adding water, materials such as sand and stones should also be added, which can enhance the viscosity of the mortar and make it more stable and sturdy after construction.

4、由于水泥砂漿在調配后，水分會慢慢流失，會慢慢凝固，因此在要用水泥砂漿時，再現調現用，并盡快的使用，這樣更不會影響它的使用性能。

4. Due to the slow loss of moisture and solidification of cement mortar after mixing, when using cement mortar, it should be reused and used as soon as possible, so as not to affect its performance.

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