at the back of sth：作為某事的主使者

at sb.'s back (=at the back of sb.) 跟隨某人; 支持某人 | at the back of sth. 作為某事的主使者 | be glad to see sb.'s back (= be glad to see the back of sb.) 巴不得某人離開(kāi); 希望擺脫某人

back to back credit：對(duì)開(kāi)信貸

backdoor listing "借殼"上市;"買殼"上市 | back-to-back credit 對(duì)開(kāi)信貸 | back-to-back loan 對(duì)銷貸款

back to back diodes：背對(duì)背二極管

back surface field 背面電場(chǎng) | back to back diodes 背對(duì)背二極管 | back wave 返波

back：后衛(wèi)

之后這些防守型的球員被正名為"后衛(wèi)"(Back)或者"前衛(wèi)"(Half Back). 隨著橄欖球運(yùn)動(dòng)的愈加復(fù)雜,不同站位的后衛(wèi)球員(指后衛(wèi)站位和前鋒線的距離)被細(xì)化為前衛(wèi)(half back)黄色丝袜a片、中后衛(wèi)(three quarters back)和最后衛(wèi)(full back).

half back：前衛(wèi)

之后這些防守型的球員被正名為"后衛(wèi)"(Back)或者"前衛(wèi)"(Half Back). 隨著橄欖球運(yùn)動(dòng)的愈加復(fù)雜,不同站位的后衛(wèi)球員(指后衛(wèi)站位和前鋒線的距離)被細(xì)化為前衛(wèi)(half back)AV无码免费毛片一二三四、中后衛(wèi)(three quarters back)和最后衛(wèi)(full back).

back to back credit import first：輸入為先的對(duì)開(kāi)信用證

back to back L/C 對(duì)開(kāi) 信用證 | back to back credit import first 輸入為先的對(duì)開(kāi)信用證 | back Valvation 倒起息

back-to-back testing：反饋試驗(yàn),背靠背試驗(yàn)

back-to-back test ==> 成對(duì)試驗(yàn),整流子片試驗(yàn) | back-to-back testing ==> 反饋試驗(yàn),背靠背試驗(yàn) | back-to-front ratio ==> 反-正比

back-to-back testing：背靠背試驗(yàn)

反向起動(dòng) back-to-back starting | 背靠背試驗(yàn) back-to-back testing | 正反比 back-to-front ratio

back-to-back counter：加倍計(jì)數(shù)器

back-step welding 逐步退焊 | back-to-back counter 加倍計(jì)數(shù)器 | back-to-back credit export first 輸出方先開(kāi)的對(duì)開(kāi)信用證

back-to-back angle：雙角搖桿背貼角鋼

back-step 逐步退焊 | back-to-back angle 雙角搖桿背貼角鋼 | back-to-back coupling 背面耦合