地下工程变形缝
underground deformation joint
防水变形缝
deformation joint for waterproofing
扶梯跨变形缝
deformation joints of accelerator tunnel
特殊变形缝
special movement joint
special deformation joint
永久变形缝
permanent deformation joint
变形缝间距
space between deformation joints
农用变压器
agricultural service transformer
农用车变截面板簧
taper leaf spring of agricultural vehicle
农用地利用变化强度
the intensity of the farmland use changes
浓淡变化记录
variable-density recording
浓淡变化记录剖面
variable-density record section