back arch 拱背
back elevation 后視圖
back facade 背面
back painting 底面涂漆
back pressure 背壓力
back saw 手鋸
back siphonage 反虹吸能力
back square 曲尺
back surge 逆哩
back to back houses 背對背房屋
back up block 支撐塊
back up wall 背墻
back view 背視圖
back water 回流
backbone 構(gòu)架
backer board 背襯板
backfill 回填
backfill compactor 回填土壓實機
backflow barrier 逆止閥
background heating 背景供熱
background noise level 背景噪聲級
backhoe pullshovel 反向鏟鏟土機
backhoe shovel 反向鏟鏟土機
backhouse 后屋
backing brick 背襯磚
backing coat 底面涂層
backplastered construction 背面抹灰的構(gòu)造
backstay anchor 拉霜定
backwater jump 逆柳動
backwater structure 滯水構(gòu)造物
backyard 后院
bacteria bed 生物濾池
bacteria filter 生物濾池
badger 管道清理器
badger plane 槽刨
badigeon 嵌填膏泥
baffle beam 遮護梁
baffle diffuser 導(dǎo)鈴式擴散器
baffle paint 覆面漆
baffle pier 消力柱
baffle plate 隔板
baffle wall 擋水板墻
bag cleaning device 袋裝粉塵凈化裝置
bag conveyor 袋輸送器
bag dam 袋狀壩
bag filter 濾袋式濾清器
bag of cement 水泥袋
baggage elevator 運行李電梯
bagwork 裝袋工作
bail handle 橫木把手
baked brick 燒結(jié)磚
baked enamel finish 燒搪瓷裝修
bakelite cement 酚醛尸水泥
baking 燒成
balance 平衡
balance pressure 平衡壓力
balance storage 平衡貯水池
balanced cantilever method 平衡懸臂架設(shè)法
balanced construction of plywood 膠合板平衡結(jié)構(gòu)
balanced draught 平衡式通風(fēng)
balanced earthworks 填挖平衡的土方工程
balanced erection 吊掛裝配
balanced flue 吸引力配平的煙道
balanced flue heater 平衡煙道熱風(fēng)供熱設(shè)備
balanced gate 平橫閘門
balanced load 平衡負(fù)載
balanced moment 均衡矩
balanced reinforcement 均衡配筋
balanced ventilation system 平衡通風(fēng)系統(tǒng)
balancing 平衡蝶
balancing of stresses 應(yīng)力平衡
balancing reservoir 第水庫
balcony 陽臺
balcony door 陽臺門
balcony exterior exit 陽臺應(yīng)急出口
balcony slab 陽臺板
balcony window 陽臺窗
balk 粗木方
ball 球
ball bearing 滾珠軸承
ball clay 塊狀粘土
ball grinder 球磨
ball joint 球窩接頭
ball jointed rocker bearing 球頸支承
ball lock 球形閘門
ball mill 球磨
ball room 舞
ball test 落球試驗
ball valve 球閥
ballast 鎮(zhèn)重物
ballast concrete 石碴混凝土
ballast covering 道床層
ballast crusher 道碴軋碎機
ballast pit 碎石料坑
balloon frame construction 輕捷骨架結(jié)構(gòu)
baluster 欄桿柱
baluster of a staircase 摟梯欄桿
balustrade 欄桿
bamboo concrete 竹筋混凝土
bamboo filament 竹絲
band 帶
band better lumber 一級鋸材
band chain 帶鏈
band filter 帶式過濾器
band iron 帶鐵
band saw 帶鋸
band screen 帶形篩
bandstand 舞臺
bank 堤