frost crack造句怎么写

Analysis of one frost crack accident of an ambient-temperature air pipeline in air separation unit

The frost cracked my skin.

Causes of frost crack of tubes of graphite cooler and preventive measures

The frost crack rate of poplar plantation is above 60%.

The experiment shows that poplar's frost crack could prevent by the measures such as white paint, wrapping grass, tending one time and reserving grass around tree trunk.