microporous filtration membrane CMF membrane
Key Laboratory of Hollow Fiber Membrane Materials and Membrane Process
天津工业大学中空纤维膜材料与膜过程教育部重点实验室
auxiliary valve relief valve setting
bell- shaped valve cup valve
blade control valve relief valve
brake valve relief valve
butterfly valve + non-return intake valve
cooling valve charge relief valve pressure test
cup valve bell shaped valve
cup valve(bell-shaped valve)
dead-weight safety valve (weighted valve)
drum selector valve protection relief valve pressure test
Energy saving on valve plate of hot blast valve
four valve control valve group