压送式型号，喷嘴口径小也能在低粘度到高粘度比较广的范围内使用。
The Pressure Type, the small nozzle can be used in a large field, from low to high viscosity.
其优点是具有容易反向更换不同口径的喷嘴，可提高染布工作效率的功效。
The utility model has the advantage of easy reverse replacement of nozzles with different calibers, and the utility model can enhance the work efficiency of cloth dyeing.
喷嘴内腔孔径应和喷嘴出口口径有一定的匹配关系。
Internal diameter nozzle and nozzle exit diameter should to be a certain degree of matching relations.
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