The junction box, standard with replacement motors, encloses the terminals and provides knockouts for wiring conduits. 此接线箱为替换电机的标准配置，具有封装接线端和集线作用。
The primary components of the system are a connection device made from PVC and polystyrene foam. 主要组成部分的系统是一个连接装置由聚氯乙烯和聚苯乙烯泡沫塑料。
The movable connection device of the deformation jewelry can adopt a plurality of connection structures which can meet the requirements of changing combinations of positions. 该变形首饰的活动连接装置可以采用多种满足位置变换组合要求的连接结构。
