国产mv欧美mv日产mv观看_欧美日韩精品一区二区_在线亚洲欧美性天天影院_欧美成年黄网站色视频免费_美女被免费视频网站_九九免费大片毛片_欧美日韩aa一级视频_91av免费在线观看

A Small Independent Working Area Solution I (SCS system)

Figure 1: No partition system, applicable to all posts between the instructions du lecture use. This system is more suitable for systems with small size and infrequent contact with other departments.

A Small Independent Working Area Solution II (MCS system)

Figure 2: Command and dispatch of each post and instruction intercom between each post can be carried out through indoor desk type telephone station. This system is a partition, suitable for the control room and dangerous work area (or workshop) frequent contact system, can be unlimited expansion.