单词	spark machine
释义	spark machine 电火花加工机
随便看	pavement chalk pavement characteristic pavement characteristics pavement classification number pavement classification numberpcn pavement concrete pavement condition pavement condition index pavement condition integrated evaluation model pavement condition survey Pavement Conservation pavement construction pavement constructionconstruction of surfaces pavement construction equipment Pavement construction in local road pavement construction machinery pavement construction road pavement construction, soil compaction pavement construction technology pavement contraction joint pavement convergence pavement corpuscle pavement course pavement crack pavement cracking