sankenBNC²³⁶²¹³⁺¹ 基本例句 n.日本三垦公司名 In this paper, three elevators for the design of objects, combined with Sanken VM06 series of high-performance constant torque converter, developed a two-speed exchange of PLC elevator control system. 本文以三层电梯为设计对象，结合三垦 VM06系列恒转矩高性能变频器，开发出一套交流双速的 PLC电梯控制系统。 dictall