日韩中文字幕免费的视频在线看网站,97夜夜澡人人爽人人喊中国片,加勒比色综合久久久久久久久,亚洲精品无码久久久久久久久,久久国产V一级毛多内射,少妇真人直播免费视频,艳妇乳肉豪妇荡乳AV无码福利,四川少妇搡BBW搡BBBB,四川少妇BBW搡BBBB槡BBBB,丰满少妇被猛烈高清播放,少妇荡乳情欲办公室456视频,老妇高潮潮喷到猛进猛出,东北少妇不戴套对白第一次,少妇厨房愉情理伦BD在线观看 ,少妇被又大又粗又爽毛片久久黑人_丰满人妻少妇久久久久久_国产AV无码专区毛片_国产精品亚洲av综合成久久久久久三级_欲香欲色天天影视综合网 ,中文字幕在线亚洲|国产精品午夜国产小视频|免费激情网站国产高清第一页|国产成人精品视频2021|99热这里有精品

The crawler type shot blasting machine is suitable for surface derusting or shot blasting of workpieces produced in large and medium batches of various varieties. The cleaning workpiece must be a product such as a casting that is not afraid of collision. The scope of application of the crawler shot blasting machne:cleaning and polishing of die castings,precision castings,preclsion ofrgings,etc.Remove suface scale of heat-treated parts, castings and forgings,strengthen springs,derust and pre-treat fasteners. This machine cannot clean high-temperature of workpieces with flash or burrs, othervise the track will be damaged. The automatic loading and unloading mechanism can be designed to reduce the labor intensity of workers and improve production efficiency.