SoftPLC软PLCsoftadj.柔软的；柔和的；温和的；不强烈的；轻的adv.柔软地；温和地n.柔软的东西soft leather handbag软皮手袋soft system thinking软系统思想soft orthopedic felt矫形用软毛毡soft-and operation软与soft base processing软基处理soft-bottom storey底部弱层soft switch protocal软交换协议soft- rock roadway软岩巷道Soft power structure软实力结构soft meson technique软介子技术