It can be used for cutting ceramics , grooving and beveling.该切机具备切割 、 切槽、倒角等功能.Top - quality steel blades are used to guarantee smoothness grooving.选任优质锯齿型开槽刀片,保证开槽光洁度.A grooving machine is developed to cut ring groove i...
Who is to preside over the meeting hasn't been decided.这个会议要谁来主持还未决定.Who happened to preside over the economic crisis at the time?当发生经济危机时谁正好在掌权?Every Monday morning I convene and preside over our department meeting...