挖掘机

clay digger

挖土机,挖土铲

digger 挖掘机;挖斗;挖掘工 | back digger 反铲挖土机,反向铲 | clay digger 挖土机,挖土铲

oscillating displacement pump

摆动式排量泵

oscillating digger 摆动式挖掘机 | oscillating displacement pump 摆动式排量泵 | oscillating distributor 振动分配器

drag spring thimble

牵引套管

drag shovel ==> 反铲挖土机,反向机械铲,拖铲挖土机,单斗挖掘机 | drag spring thimble ==> 牵引套管 | drag struts ==> 阻力支柱

drain layer

排水管铺设机

drain digger 排水沟挖掘机 | drain layer 排水管铺设机 | drain pan 泄水盘

heavy draw press

重型深冲压力机

heavy digger 重型挖掘机 | heavy draw press 重型深冲压力机 | heavy duck loom 厚帆布织机

grab bucket dredger

抓斗式挖泥机

GP, general perturbation ==> 一般摂動 | grab bucket dredger ==> 抓斗式挖泥机 | grab bucket excavator ==> 蛤壳式戽斗挖掘机

dredging box

戽斗

dredger 挖泥船 | dredging box 戽斗 | dredging machine 挖掘机

all-hydraulic driver drill

全液压钻机

all-hydraulic core drill 液压岩心钻机 | all-hydraulic driver drill 全液压钻机 | all-hydraulic excavator 全液压挖掘机

track drill

铁轨钻

track digger 履带式挖掘机 | track drill 铁轨钻 | track driving wheel 履带驱动轮

wheel drum

轮鼓

轮式车钻 wheel drill | 轮鼓 wheel drum | 轮式挖掘机 wheel excavator

photoperiodic response：光周期响应

photoperiodic induction 光周期诱导 | photoperiodic response 光周期响应 | photoperiodism 光期性

Multi-Variate Statistical Analysis：多元统计剖析

311. 多项距阵 Multi-Nominal Matrix | 312. 多元统计剖析 Multi-Variate Statistical Analysis | 313. 发电厂 Power Plant