短語詞組短語loop -through output 環(huán)行輸出Loop -through 環(huán)通combined closed -loop and once-through cooling 混合式冷卻through back loop tbl 從線環(huán)后面穿過draw through a loop 從絨線處拉掉針數(shù)feed -through cancellation loop 饋通對(duì)消環(huán)路single -stage once through reaction loop 一段串聯(lián)單程通過工藝 返回 loop through