【Daily Question No. 169】June 18, 2019

2019-06-18View Original

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This post was last edited by Green Lotus on 2019-6-18 22:24. [Daily Question No. 169] June 18, 2019: For storage tank level control systems, when the control valve is installed on the outlet pipeline, an air-shut type control valve should be selected. True or False ( ) Please reply within two days.

Reply #22019-06-18

I’m asking about the on/off controls for the wind here; they should be air on/off controls, right! Help needed~

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【Daily Question No. 169】June 18, 2019

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