盘带绣机头下置两线轮架具有防松动功能且操作方便、简洁美观。
There are two thread roller shelfs which can prevent looseness, easy operation and facility.
采用本实用新型可使所钻骨孔的位置精度显著提高，且操作方便。
The application of the utility model can improve the accuracy of the place of the bone hole that is to be drilled, and the operation is convenient.
这种功能转换机构结构简单、制造成本较低，且操作方便、省力。
The functional switching mechanism has the advantages of simple structure, low manufacturing cost and convenient and labor-saving operation.
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