求翻译：初始状态：收球网必须位于反冲洗位置，如不是，则手动置于反冲洗位置，胶球泵处于停止状态，切换阀处于关闭状态，系统中手动阀处于全开位置；是什么意思？

Initial state: the net income must be in the backwash position, if not, then manually placed in the backwash position, rubber ball pump is stopped, switching valve is turned off, the system manual valve fully open position;

Initial State: the balls must be located in anti-flushing location, such as not to be manually placed in anti-flushing location, plastic ball pump stagnated and in switching valve is turned off, the system manually valve is unrolled location;

Original state: Receives the net to have to be located instead flushes the position, if is not, then manual puts in instead flushes the position, the rubber ball pump is at the stopped state, cuts the valve to be at the off-position, in the system the hand operated valve is in all opens the position

Initial state: harvest the net at the backwash position must be, if not, manually put Backwashing, rubber ball pump is stopped, switching valve is turned off, manual valve is in the full open position in the system;

Initial state: harvest the net at the backwash position must be, if not, manually put Backwashing, rubber ball pump is stopped, switching valve is turned off, manual valve is in the full open position in the system;