plural of abstractor n
plural of attractor n
large powerful tractor
plural of co-contractor
An instrument for measuring angles, in surveying, etc. It resembles a protractor, but has an alidade, sights, and a compass.
abdominal retractor
[医] 腹部牵开器
abstractor
n. 萃取器;摘录者
abstractors
(abstractor 的复数) n. 萃取器;摘录者
accounting of construction contractors
[经] 建筑承包单位(建筑安装业)会计
actual contractor
[法] 实际立约人, 实际契约签订人
adder-subtractor
[计] 加减器
advances to subconstractors
[经] 预付转包(分包)者款
advertising contractor
[经] 广告承包商
agitated compartmented extractor
[化] 搅拌式萃取塔; 搅拌间格式萃取塔
agricultural tractor
[机] 农用曳引车
air extractor
[化] 抽气机
air lift extractor
[化] 空气升液萃取器
attractor
n. 引人注意的人[化] 吸引子
attractors
(attractor 的复数) n. 引人注意的人[化] 吸引子
audit of construction contractors
[经] 建筑承包单位(建筑安装业)审计
bag extractor
[机] 袋提取器
basket extractor
[化] 篮式提取器; 篮式浸出器
batch extractor
[化] 间歇浸取器; 分批浸取器
belt extractor
[化] 转带浸取器
bevel protractor
[机] 测角规, 斜角规, 万能分度器