friction head磨擦: rub; abrade; abrase水头: waterhead; head; flood peak磨擦落差, 磨擦水头: friction head摩擦水头: friction head; friction losses; frictionhead摩擦水头损失: friction head loss; frictional head loss; head loss due to friction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:磨擦水头，即可在微信中查询翻译
