Exhaust air from rear side; galvanized steel molding frame, white coated steel cover.
后部排风，镀锌板型材框架，白色彩钢板蒙板。
These vacuum pumps come standard with many important features that others offer as options - quality inlet filter, premium exhaust silencers, suction hose and industrial strength channel iron frame.
当其他公司只提供作为另加选择时，美国旋风的真空泵的标准规格已包括有下列的重要配件-高品质入口过滤芯，高级的排气消音装置，抽吸软管和工业级槽钢底架。
These vacuum pumps come standard with many important features that others offer as options - quality inlet filter, premium exhaust silencers, suction hose and industrial strength channel iron frame.
当其他公司只提供作为另加选择时，美国旋风的真空泵的标准规格已包括有下列的重要配件-高品质入口过滤芯，高级的排气消音装置，抽吸软管和工业级槽钢底架。
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