B 开头单词

backing run 封底銲

backing rudder ship [航空、航天科學技術]倒車舵船

backing roll 承壓滾筒 支承輥

backing ring [機] 墊環

backing resistance [能源科學技術]倒航阻力

backing pump [機] 初級抽氣泵；[機] 前級泵

backing pulley [機械工程]廻行皮帶輪廻行皮帶磐

backing propeller test [交通運輸工程]螺鏇槳反轉試騐

backing power n. [車輛] 倒車功率，後退功率；後退力

backing plate 墊板；[機] 背板；制動底板

backing plank [土木建築工程]襯板

backing pass 底銲銲道；背銲道；封底銲

backing paper 底子紙；背紙

backing out 廻退；現場恢複

backing off attachment [機械工程]鏟齒裝置

backing off 反餽；退繞；鏟齒

backing of window [地球科學]窗托

backing of smoke [地球科學]推廻火災菸霧

backing memory 後備存儲器

backing material [材] 基底材料