bandless beater roll

The Grammaticalization of Da(打) in the Structure of Da(打)V;

“打V”之“打”的语法化探析

In ancient and modern Chinese , Da is characterized by most scholars as a kind of grammatical component,yet little has been done in exploring its evolutionary process of grammaticalization.

近代汉语中的“打-”被多数学者称之为类似词缀的语法成分,但对其演变学术界极少涉及。

Development of a new type of tool for bending sucker rod fishing.;

一种弯曲抽油杆打捞工具

Development and Application of Composite Washover and Fishing Cylinder;

复合套铣打捞筒的研制与应用

Research on drillable bridge plug washing and fishing tools and its application;

可钻式桥塞磨铣打捞工具的研制及应用

Characteristics and operation of 250 t/d beating product line;

250吨/日打浆生产线的特征与运行

An example of DCS control in the beating process;

打浆过程DCS控制实例

Study on Effects of Physic Acid on Controlling Fruits' Vc loss During its Beating;

植酸对控制打浆中水果Vc损失的效应