The machines themselves were not complicated, but some problems of mechanical compatibility were the cause of no small mental grief. Suen would often drive in from Sydney to watch professional mechanics use computers to adjust the production line.
機器本身不複雜，但是機械之間的配合讓他們傷了不少腦筋，孫桂雲經常開車從雪梨過去，看機械專家用小電腦調整生產線的情形。