蝶形阀

cassinette

卡西奈特呢

butterfly valve 蝶形阀 | cassinette 卡西奈特呢 | eupotamous [生态]真河流生物的

corkscrew spin

螺旋

hypereutectic alloy 过共晶合金 | corkscrew spin 螺旋 | butterfly valve 蝶形阀

flyer frame

粗纺机

fly valve 蝶形阀 | flyer frame 粗纺机 | flyhob 单齿滚刀

pipe vices

管子钳

b2813 薄片形橡胶套蝶形阀 wafer type rubber - seated butterfly valves | b3008 管子钳 pipe vices | b3009 十字螺丝刀 screwdrivers for cross recessed head screws

butter-fruit,avocado,alligator pear

酪梨,鳄梨,油梨

"蝶形阀","butterfly valve,butterfly damper" | "酪梨,鳄梨,油梨","butter-fruit,avocado,alligator pear" | "白脱粒析出乳酪粒析析出","buttering"

butterfly ray

日本鸢魟,燕仔鲂

"蝶状鱼片","butterfly fillet" | "日本鸢魟,燕仔鲂","butterfly ray" | "蝶形阀","butterfly valve,butterfly damper"

clapper block

拍板塊

蝶形阀 clap valve | 拍板块 clapper block | 拍板盒 (刨床) clapper box

fly nut

翼螺帽

fly headed screw 翼形螺钉 | fly nut 翼螺帽 | fly valve 蝶形阀

butterfly nut; thumb nut

翼形螺帽

蝶形阀 butterfly clack; valve | 翼形螺帽 butterfly nut; thumb nut | 洗舱水加热器 Butterworth heater

throttling bar

节流条

throttling area ==> 节流面积 | throttling bar ==> 节流条 | throttling butterfly valve ==> 蝶形节流阀

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