纤维可以使混凝土弯曲并出现头发丝细的裂纹，而不是直接裂出口子。

The fibers allow the concrete to bend and crack in narrow hair-width fractures rather than gaping splits.

youdao

纤维可以使混凝土弯曲并出现头发丝细的裂纹，而不是直接裂出口子。

The fibers allow the concrete to bend and crack in narrow hair-width fractures rather than gaping splits.

youdao