Bleeding from erosive gastritis was rarely life - threatening.腐蚀性胃炎的出血罕有危及生命的.Investigated charring erosive characters of internal insulation of solid rocket motor under flight acceleration.研究了固体火箭发动机内绝热层在飞行加速度条件下的炭化烧蚀特性...
Bleeding from erosive gastritis was rarely life - threatening.腐蚀性胃炎的出血罕有危及生命的.Erosive action is achieved at each contraction where a pair of opposing vanes are installed.在每个收缩区段中相对地设置一对叶片,都起到了冲洗作用.In this geometry the er...
车上装的食品是用铬合金做的.The trimmings on the car are made of chromium.所有抛光金属表面, 像铬合金 、 铝 、 黄铜 、 不锈钢等.All finished metal surfaces, such as chrome, aluminum, brass, stainless, etc.现在黑色和铬合金轮毂是最受欢迎的.Right now black and chrome rims are...