若正常，可高速磨擦片与制动鼓间隙。
If the normal, high-speed friction film and brake drum clearance.
铝合金链轨，磨擦系数小，拉片平顺，外加不锈钢耐磨边框。
The aluminum alloy caterpillar track, the friction factor is small, pulls the piece to be smooth, sur - stainless steel wear-resisting frame.
别的，当发现雨刮器刮水不完全时，也能够采购一种雨刮片修正器，夹着雨刮片的橡胶部位磨擦，使其不规则磨损的部分得到修正。
The number of rubber strip. The other, when the wiper wiper is not complete, can also purchase a wiper blade corrector, friction rubber parts and rain wiper blade, the irregular wear part corrected.
机械磨版：用磨擦粉剂，喷沙等机械方法把金属片的表面造成粗糙，适合为柯式印刷。
Mechanical graining: Mechanically roughening the surface of a metal sheet by means of abrasive powders, sand bursting, etc, for use as an offset plate.
机械磨版：用磨擦粉剂，喷沙等机械方法把金属片的表面造成粗糙，适合为柯式印刷。
Mechanical graining: Mechanically roughening the surface of a metal sheet by means of abrasive powders, sand bursting, etc, for use as an offset plate.
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