下载后可任意编辑o ring 圆形截面环oak 栎树oakum 麻絮obelisk 方尖碑object 对象object of construction production 工程项目oblique butt joint 斜对接oblique projection 斜投影oblique scarf 斜接榫oblique section 斜截面obscured glass 毛面玻璃observation 观测observation light 碍航物灯标observation of the work 操奏视observation point 观测点observational data 观测资料occupancy 居住occupancy load 收容能力;居住载荷occupancy rate 居住率occupant space requirements 居住空间标准occupants 居住者occupied zone 实占地域ocher 袅ochre 袅ocrate process 四氟化硅处理ocrated concrete 四氟化硅混凝土oder suppression 臭气排除odor 臭气odor control 四氟化硅处理odorimeter 气味计odour 臭气off center load 偏心荷重off formwork concreting 无模壳灌筑混凝土off grade size 不合格粒径off ground hauler 越野土运机off loading ramp 卸载斜坡道off peak electric heating 非 峰 期 电供热off peak load 非峰值负载off peak period 非高峰时间off set joints 错缝off shore boring 海底钻探off shuttering concreting 无模壳灌筑混凝土off the site work 现场外工作office 机关office building 办公楼office furniture 办公室设备offset 突层offset bend 迂 回管弯头offset yield strength 条件屈服强度offshore boring island 钻井平台offshore 下载后可任意编辑structures 海上结构物offstream storage 停 运 贮 藏池ogee s 形曲线ogee arch 葱形拱ogee curve s 形曲线ohio cofferdam 俄亥俄围堰oil 油oil bath air filter 油浴空气过滤器oil buffer 液压缓冲器oil fired heater 烧油空气加热器oil fired heating system 烧油供热系统oil paint 油漆oil pipeline 油管oil stain 油蚀oil trap 集油器oil washed air cleaner 油 浴 空 气过滤器oil well cement 油井水泥omnia concrete floor 咬封混凝土楼板omnia concrete plank 咬封混凝土板on job laboratory 施工场地实验室on off valve 双位阀on site connection 就地连接once through water supply system 单柳水系统ondol 炕one brick wall 单砖墙one centered arch ...
