mortar mix ratio

例句：

1. 1. The builders mixed the right proportion of sand and cement to create a strong mortar.
   建筑工人按照正确的比例混合沙子和水泥来制作坚固的砂浆。
2. 2.To ensure the quality of the concrete, it's important to follow the recommended mortar mix ratio.
   为了确保混凝土的质量，遵循推荐的砂浆配合比是很重要的。
3. 3.The engineer measured the water content in the mortar mix and adjusted it accordingly.
   工程师测量了砂浆配合中的水分含量并相应地进行调整。