词汇	To form an ulcer
释义	To form an ulcer. 形成溃疡
随便看	tension test diagram tension tester tension-tester tension test for anchor tension test for chain cable tension test for loose gear Tension testing tension testing machine tension testing machinetensile testing machine tension test piece tension tests tension test specimen tension theory tension thickening tension-thining tension thinning tension thread guard tension thread guide tension time tension time index tension-time index tension time index of diaphragm Tension-torsional fatigue Tension-torsional Fretting Fatigue Tension toughness