rough coat

The results indicate that when detonation frequency and gas-flow rates of oxygen ( O_2) and ethyne ( C_2H_2) were lower, the coat was rough and had lower hardness, and its distance between commutator segments was bigger and porosity was higher;

结果表明，当爆炸频率和氧、乙炔的气体流量较低时，涂层比较粗糙，片层间距较大，气孔较多，硬度较低；

互联网摘选

John's clothing was a rough coat of camel's hair, with a leather belt round his waist, and his food was locusts and wild honey.

约翰身着粗陋的骆驼毛衣服，腰束皮带，以蝗虫和野蜜裹腹。

互联网摘选

The outer coat is dense, rough, coarse and crisp, of broken appearance.

外层披毛浓厚 、 粗糙 、 杂乱、卷曲, 呈不规则起伏的样子.

互联网摘选