Net Head is derived from Total Head minus Head Losses.
凈頭是來自總目負水頭損失。
She happened to bring up who was behind the total head-shaving idea.
她碰巧告訴我是誰給她出的這個剃光頭的主意。
This, of course, begs the questions: what is Total Head and what are Head Losses?
這當然，回避的問題：什么是總團長和水頭損失是什么？