I find the boss is crocking up now; he looks too tired.我發(fā)現(xiàn)老板現(xiàn)在精力不行了, 看上去一付疲憊不堪的樣子.The variety of auxiliaries and to improve the color fastness to wet crocking are put forward.環(huán)染的產(chǎn)生原因.給出提高濕摩擦牢度的相應(yīng)措施,以及提高濕摩擦牢度的助劑.The poor ...