He answered with typical curtness.他像往常一样,回答时唐突无礼.His cavelier curtness of manner was exasperating.他粗鲁轻率的举止让人恼怒.His tone was characterized by curtness and dryness.他语气的特点是唐突而又冷淡....
For processing the high tensile metals: carbon stell common alloy stell, hard bronze forgeable castiron. etc.加工高抗张强度的金属: 碳素钢 、 硬青铜和可锻铸铁等.Suitable for cutting metal , such as structural steel refractory steel, castiron, g...