But the property of fiber is variety and the composing impact greatly on the property of the concrete, so it's necessary to research the special property of the hybrid fiber concrete.
但纤维种类繁多，性能各异，混凝土各组分对其性能也有较大影响，因此研究混杂纤维混凝土的一些特性很有必要。
Property of flax fiber was introduced.
介绍了亚麻纤维的特性。
Property speciality of new type fiber materials were introduced.
介绍了新型纤维材料的性能特征。
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