Rates may vary according to factors such as availability, volume, grain type, size and notice of shipment.
利率可能会有所不同等因素，可用性，数量，粮食类型，大小和装运的通知。
From the aspects of grain size, impurity shape and size, structure type and so on, the control or influence factors of pipeline toughness are discussed.
本文从晶粒尺寸、夹杂物形态和大小以及组织结构类型等几个方面论述了管线钢韧性的控制或影响因素。
The main characteristics of abrasive wheels include five factors, namely abrasive material, grain size, hardness, structure and bond type.
砂轮的主要特征包括磨料、粒度、硬度、组织个结合剂五个因素。
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