1) triple screw propeller
三推进器
2) three-blade impeller
三叶推进器
1.
The macromixing times of four types of combined agitators(orthogonal twi-stratum triangle blade with single ribbon or wit inner/outer ribbon,anchor type blade with three-blade impeller or with inner/outer ribbon)were determined by temperature measurement method,with carboxymethyl cellulose solution as experimental media in the concentration of 1%,2%,3% and 3.
５％的羧甲基纤维素溶液为实验介质，采用测温法，测定了正交双层三角桨－单螺带桨、正交双层三角桨－内外单螺带桨、锚式桨－三叶推进器、锚式桨－内外单螺带桨４种组合桨搅拌器的宏观混合时间，用无量纲数Ｃ_１，Ｃ_２，Ｃ_３，Ｃ_４综合评判了它们的宏观混合性能。
3) advance in 3 aspects
三头推进
1.
In the new estate of literature of China, literature trend of thought can be summarized as "advance in 3 aspects":First is developing of realism.
中国文艺进入新时期后,文艺思潮大体上可以概括为"三头推进":一是现实主义的拓展和深化;二是以现代主义为代表的各种新思潮此起彼伏;三是通俗文艺势不可挡。
4) Propellant agitator with three paddles
三叶推进式搅拌器
5) three-blade marine type propeller agitator
三叶推进浆式搅拌器
6) triple screw
三螺旋桨;三头螺纹;三推进器;三纹螺旋
补充资料：三推
1.古代帝王亲耕之礼。天子于每年正月亲临藉田，扶耒耜往还三度，以示劝农，称三推。后历代皆有亲耕三推仪式，成为例行公事。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条