在水泥中掺适当的工业废料做加固土的固化剂，不仅可以节约工程造价，而且可以增加加固土的强度。
Adding industrial waste to cement, not only the construction cost is decreased, but also the cement soil strength is increased.
工程实例证明，活性粉煤灰仅有良好的可注性和较高的强度，而且可以大大节约工程造价，是—种较为理想的注浆材料。
The field practice has proved that activating admixtures not only is grouting and high strength, but also largely economize money, and is an ideal grout.
在对变电站配电装置的设计中，节约工程用地、降低工程造价是应该考虑的重要问题之一。
Saving land occupation and reducing project cost are important in the design of substation switchgear.
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