There is a small bit of asymmetry here: packing multiple values always creates a tuple, and unpacking works for any sequence.
这里有一点不对称：封装多重参数通常会创建一个元组，而拆封操作可以作用于任何序列。
Connection sequence of the grain size screening device, the density screening device and the color selection device is variable, however, the packing device is connected at last.
所述的粒径筛选装置、密度筛选装置、色选装置的连接顺序不定，但最后连接的是包装装置。
From the goods according to the packing list, usually take out of sequence, recorded by the goods should be ticket stockpiling.
从箱内取出货物，一般按装箱单记载顺序进行，取出的货物应按票堆存。
From the goods according to the packing list, usually take out of sequence, recorded by the goods should be ticket stockpiling.
从箱内取出货物，一般按装箱单记载顺序进行，取出的货物应按票堆存。
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