Snow tires fine groove more in at least 1000 or more, there are about 200 common tyres.
雪地胎细小沟槽较多至少在1000个以上,普通胎大约有200个。
There was a hole in the center of and a fine spiral groove that is a continuous spiralling line of closely written characters.
在中心有一个洞和精细的螺旋刻纹,是近乎书写状连续螺线。
When the soil is fine, throw earth on the groove side (or material) 0.8m away from the pit (groove) edge with height more than 1m.
当土质良好时,抛于槽边的土方(或材料),应距槽(沟)边缘0.8m以外,高度不宜超过1m。
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