v.move by degrees in one direction only
同义词：ratchetrachet up
Ratchet tie-down
Fragmentation and drying ratchet down Great Plains stream fish diversity
Minnesota Pushes To Ratchet Down Achievement Gap
De-Risking Pension Plans: Ratchet Down the Risk in Defined Benefit Plans
A QUALITY IMPROVEMENT INITIATIVE: UCSF Neurologists Ratchet Down Readmissions
DEP Takes Another Regulatory Step Toward 'Discharge Elimination': The New Chapter 92a Regulations Ratchet Down NPDES Discharge Stand...
LIKE A GOOD NEIGHBOR: THE UNITED STATES SUPREME COURT IGNORED MALICIOUS CONDUCT AND PRECEDENT TO RATCHET DOWN PUNITIVE DAMAGES IN ST...
Ratchet tie-down and reinforcement assembly
Ratchet tie-down
Bush Says Tight Money Could Hurt; Federal Reserve Urged Not to `Ratchet Down' on Economic Growth
