Indeed, 987 is a good fit and you can start picking the widths for smaller blocks using the previous Numbers in the sequence.
事实上，987很合适，而你可以开始选择使用在序列当中之前的数字作为更小的区块宽度。
2
Handlers can run in sequence by picking up from the previous handler's result, which makes it possible to create quite complex logic.
各事件处理器可以获得前一个处理器的结果依次运行，这样就可以构造出非常复杂的逻辑。
3
When picking up drill pipe, visually check each joint of pipe picked up to be sure it is in proper sequence according to weight, grade and class as designed.