The stores will purchase a large amount of each type and size of bead at a lower price from wholesale and then pass on part of the savings to the customer.
这里的珠宝店从批发商那里以较低的价格大量购进各种款型和规格的珠子，然后让利于消费者。
Since then the researchers have reduced the bead 's size to about 250 micrometres.
自那以后研究者已经将珠子的尺寸减小到大约250微米。
The influence of small grain size glass bead (GB) on the properties of linear low-density polyethylene ( LLDPE) was studied.
研究小粒径玻璃微珠的粒径和用量对线形低密度聚乙烯（LLDPE）性能的影响。
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