Grain direction should be correct as always!

还是要注意纸的纹理方向哦！

The grain direction must go from head to tail.

纸张的纹理必须垂直地从头顺到尾。

Moisture diffusion coefficients across grain direction increase with medium temperature increasing and humidity decreasing.

随着介质温度的升高，湿度的降低，横向水分扩散系数增大。

Do heavy work is not to wear diamond diamond watch, although wear, but if according to the grain direction is likely to damage a blow.

做粗重工作时是不宜配戴钻石腕表，钻石虽耐磨，但若依其纹路方向受到重击仍有可能破损。

Blade scratch Paper defect where there is a hair-like indentation in a coated surface running in grain direction. Caused by a particle lodged behind the blade during coating.

顺着纸纹方向，纸面的涂层有着像头发丝的凹痕故障。起因是在涂布时有一颗料积聚在刮刀后面所致。