n. deflection
挺度：挺度是衡量纸和纸板耐弯曲的强度性能。
Stiffness: It is a measure of the bending strength of paper and board.
电弧挺度好，热量集中，填丝容易，特别适宜自行车等行业的填丝焊接。
Stiff arc, with heat concentrated, easy to fill welding wire, so especially suitable for wire filling welding in bicycle area.
通过配用BCTMP浆、添加层间喷雾淀粉等措施，能够提高白纸板的挺度。
The stiffness of white paperboard can be increased through adding BCTMP pulp, ply spray of starch, etc.
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