“float valve tray”可以造什么句,float valve tray造句
来源:语文精选馆 3.02W
In various CO2removal towers, float valve trays, sieve trays and packings are replaced by DJ trays, realizing capacity increase and energy consumption reduction and obtaining economic benefit.
DJ-3 type tray and patent distributor were adopted to replace the original float valve trays without altering the tower shell.