乳液型皮革光亮剂要求乳液均匀, 粘度适中, 乳液 长期 放置不分层.Emulsion latex uniform requirements leather brightener, viscosity moderate, non - layered latex long - term placement.经常用金属用光亮剂清洁﹐以保证外表面光洁.Clean with liquid metal polish occasionally to ...
刚好在450英尺的等高线之下有3个缓坡。There were three moderate climbs to just below the 450 feet contour.等高线是用等间距图解描述构造形态的.Contours are graphic expressions with uniform spacing depicting a structure's character.正射摄影象片一般不带像地图所表示的等高线....