Progressive die has the advantages of compact structure, simple operation, and high production efficiency characteristics, to meet the requirements of production parts.
级进模具有结构紧凑、操作简单、生产效率高的特点，生产的零件符合要求。
Understanding the progressive and multicenter formation of nodular goiter, properly applied operation and regular postoperative TSH suppressive can effectively prevent recurrence.
认识结节性甲状腺肿结节多发性特点，规范化手术和术后规律TSH抑制治疗可有效预防复发。
Use constructional type of progressive dies, change present one step operation of single die construction for two-step blanking, i. e, first step semi-blanking, second ejecting material.
用级进模结构形式，改现行简单模结构的一工步操作的冲裁为两工步操作：第一工步为半冲裁，第二工步为推料。
According to the side cover structure characteristics of table model computer box, determined the progressive die and the single operation die.
根据台式电脑机箱侧盖的结构特性，确定了级进模与单工序模相结合的工艺方案。
Use constructional type of progressive dies , change present one step operation of single die construction for two-step blanking , i.
用级进模结构形式，改现行简单模结构的一工步操作的冲裁为两工步操作：第一工步为半冲裁，第二工步为推料。
Objective To observe safety and therapeutic effects of posterior scleral reinforcement operation in the treatment of progressive myopia.
目的观察后巩膜加固术治疗病理性近视的安全性及可行性。
One case of a 10 year-old patient with progressive myopia was treated with post-scleral supporting operation.
本报告介绍了我科开展后巩膜增强术治疗一例10岁儿童患者病理性高度近视的病例。
Extensive or progressive flooding, or serious structural damage, may make such an operation hazardous.
不断产生的大量进水以及结构的损伤将使得这样的行为变得很危险。
The authors observed the progressive changes of the platelet activity in 25 cases of acute cholangitis severe type (ACST) within 2 weeks of pre-and-post-operation.
作者动态观察了25例急性重症胆管炎(ACST)患者手术前后2周内血小板活性的变化。
The utility model adopts a progressive conveyor type conveying device, and has simple structure, stable and reliable operation, and safety and energy saving.
本实用新型采用递进输送式输送设备，结构简单，运行稳定可靠，安全节能。
The utility model adopts a progressive conveyor type conveying device, and has simple structure, stable and reliable operation, and safety and energy saving.
本实用新型采用递进输送式输送设备，结构简单，运行稳定可靠，安全节能。
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