表面上的较浅的刻槽 、 刻痕或缺口.A shallow notch, cut , or indentation on a surface.该设备适用于钢管的现场刻槽.This plant is available for machining steel pipe's sample grooves in fieldwork.我们将在木头上刻槽.We will cut grooves in the wood....
Regular vinyl addition polymers may be obtained from particularly strained endocyclic double bonds.由带特殊张力的桥环双键可以得到规整的乙烯类加成聚合物.Use vinyl seam adhesive where vinyls overlap.塑料布相叠处用塑料封口胶粘起来。This compilation was first issued...