working depth and drilling depth
action of frozen-thawing
alkali-freezing-thawing cycle
Alternate freezing and thawing
alternate freezing and thawing experiment
Alternate freezing and thawing test
anti-thawing capability
ARTIFICIAL FREEZING-THAWING SOIL
bittern-freezing-thawing durability
Cryopreservation and thawing
cycle of freezing and thawing