1. Check: Check the density of general undercoat carpet and flexibility. 一查：检查一般短毛地毯的密度和弹性。
2. HAIR : Medium length, straight with dense undercoat, never soft, wavy or wiry. 毛质：中等长度，直，底毛密，不可以软、成波状或丝状。
3. Check the density of general undercoat carpet and flexibility, basically have two kinds of methods. 检查一般短毛地毯的密度和弹性，主要有两种方法。
英英解释
n.
1. seal consisting of a coating of a tar or rubberlike material on the underside of a motor vehicle to
2. the first or preliminary coat of paint or size applied to a surface
3. thick soft fur lying beneath the longer and coarser guard hair v.
1. cover with a primer; apply a primer to
