管口

closing machine

封口机

closed shell and tube condenser 封闭式壳管冷凝器 | closing machine 封口机 | closing the shed 闭梭口

double hexagon end cap wrench

六角螺帽双头扳手

double end "alligator type "wrench 双头鳄口扳手, 双头管扳手 | double hexagon end cap wrench 六角螺帽双头扳手 | double hexagon opening double offset box socket wrench 双头弯脖梅花扳手

clarinets

单簧管

单簧管(clarinets)大约是在17世纪,由德国乐器制造师约瀚克利斯多夫邓纳根据法国竖笛改革而来. 单簧管共分为五个部分:笛头、二节、上节、下节、嗽叭口. 乐器分胶管和木管两种,胶管乐器从几百无到几千元都有,初学者使用的比较多;

faucet joint (bell and spigot joint,socket and spigot joint,spigot joint)

插承接合

管介面,水龙头,承口 faucet | 插承接合 faucet joint (bell and spigot joint,socket and spigot joint,spigot joint) | 缺点,故障 fault

Fuel feed pump

燃油泵

fuel economy 燃油经济性 | fuel feed pump 燃油泵 | fuel filler 加燃油口[管]

flange plate

凸缘板,翼缘板

flange pipe ==> 凸缘管 | flange plate ==> 凸缘板,翼缘板 | flange pressure tappings ==> 法兰取压口

U-shaped coreU

形铁心

U-portU型端口 | U-shaped coreU形铁心 | U-shaped expansion pipeU形膨胀管

oil-filled

充油的,油浸的

oil fill cap 加(机)油口盖 | oil-filled 充油的,油浸的 | oil filler 加油口[管]

rodded volume

捣实体积

rod-type sweet potato harvester ==> 杆式甘薯收获机 | rodded volume ==> 捣实体积 | rodding eye ==> 清扫口,通管孔盖

Concentric Reducers

同心异径

CONCENTRIC REDUCER 大小?? | Concentric Reducers 同心异径?? | Coupling双承口管??

colonial rule：殖民统治

colonial protectorate;殖民保护地;殖民被保护国;; | colonial rule;殖民统治;; | Colonial Secretary;辅政司;;

matrimonial agency：婚姻介绍所

21 deep love 深沉的爱情 | 22 matrimonial agency 婚姻介绍所 | 23 lover,sweetheart 情人