单词	梁下垂
释义	梁下垂 beam sagging
随便看	soil structual unit soil structural characteristic soil structural characteristics soil structure soil-structure soil structure amendment soil structure classification soil structure conditioner soil-structure contact surface soil-structure dynamic interaction soil-structure-dynamic-interaction soil structure former soil structure grade soil-structure-interacting soil-structure interaction Soil-structure interaction soil-structure interaction coefficient soil-structure interaction ssi soil-structure interaction system soil-structure interface soil-structure perturbation force soil structure properties soil-survey chart Soil Survey Division soil surveying