工程结构中的水泥砂浆在使用过程中经常会受到侵蚀性离子的作用，致使水泥砂浆性能劣化强度降低。
Cement mortar in engineering structures is often subjected to the effect of erosive ions and thus performance of cement mortar will deteriorate.
工程结构中的水泥砂浆在使用过程中经常会受到侵蚀性离子的作用，致使水泥砂浆性能劣化强度降低。
Cement mortar in engineering structures is often subjected to the effect of erosive ions and thus performance of cement mortar will deteriorate.
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