词汇	track assembly
释义	track assembly 履带推进器
随便看	progressive cylindrical plug gauge progressive cylindrical plug ga u ge progressive damage progressive deafness progressive debugging progressive decision-making progressive decision-making model progressive decomposition method Progressive Decrease of Trade Barrier progressive deep drawing progressive defecation progressive deformation progressive deformity progressive demand progressive dementia progressive democratic tribune of bahrain Progressive Democrats progressive demoulding mechanism progressive deposition progressive derivative progressive destruction progressive developement progressive development progressive deviation progressive dialysis encephalopathy