一般包括牵引件、承载构件、驱动装置、张紧装置、改向装置和支承件等。
Generally include traction, bearing structure, the driving device, tension device, and supporting device etc redirection.
手持式捆扎机中的张紧轮是在多种交变力的综合作用下进行捆扎工作的关键零件。
The key component-tightening pulley of the hand-held binding machine is working under the action of the multi-intersection changing forces.
可选择地，加固 件可以被张紧以对结合梁施加预应力。
Optionally the reinforcement may be tensioned, to pre-stress the bond beam.
可选择地，加固 件可以被张紧以对结合梁施加预应力。
Optionally the reinforcement may be tensioned, to pre-stress the bond beam.
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