differential pressure level controllerdifferential pressure type liquid level controller差: send on an errand; dispatch压: press; push down; hold down; ...式: type; style液: liquid; fluid; juice位: place; location下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:差压式液位控制器,即可在微信中查询翻译