l****f
发帖数: 49 | 1 Anyone has suggestion on the speed, 50 or 51? | l****f
发帖数: 49 | 2 I guess in winter 51 is better.
international-metric wt.-grain - speed
1 ------------- 48 ---- 75 - slow, for use in highland
2 ------------- 49 ---- 76 - medium slow, for use in hotter area
3 ------------- 50 ---- 77 - medium, most sea level area
4 ------------- 51 ---- 78 - medium fast, cold area
5 ------------- 52 ---- 79 - fast, cold area, below sea level | y*w
发帖数: 277 | 3
用#50的人最多. 也有人冬天用#51,暖和的时候用#50的,看你在哪个地区.
【在 l****f 的大作中提到】
: Anyone has suggestion on the speed, 50 or 51?
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