variable wire-feed system是什么意思

用法例句

Development of the automatic coreless wind-up equipment with variable speed;

无芯变速自动控制缠绕设备的研制

Discussions on general design of large scale variable speed wind turbine;

大型变速风力发电机组总体设计中的几个问题探讨

Research of mathematical model in simulation of variable speed wind turbine;

变速风电机组仿真用数学模型研究

Effects on the inferior alveolar nerve following distraction osteogenesis by varying the rate and at usual rate: a comparative study;

变速牵引与常速牵引成骨对下牙槽神经影响的比较研究

Objective To study the influence of mandibular distraction osteogenesis of 15mm on the rabbit inferior alveolar nerve(IAN) by varying the rate.

目的　研究变速牵引兔下颌骨15mm对下牙槽神经的影响。