bottom hinged ventilator

用法例句

The dynamic test of folded wing deploying of some tactical missiles;

战术导弹折叠尾翼展开动态测力试验技术研究

On Mrs.Hester in "The Red letter";

人性的飞翔与折翼——论《红字》中的海丝特

A Study on the Lactate Dehydrogenase Isozymes in Rhinolophus affinis and Miniopterus

中菊头蝠和折翼蝠组织乳酸脱氢酶同工酶的研究

Hold fast to dreams, for if dreams die, life is a broken winged bird that cannot fly.

要坚持梦想，因为梦想一旦消失，生命就如折翼的鸟，不能再飞了。

She was wearing an earing then ,just a solitary one , liked a broken-winged angel , trembling alone.

（她戴着一只耳环，孤零零的一只，像折翼的天使，独自颤抖在那里。

A life without a dream is like a bird with broken wings, confined to a cage and oblivious of what lies beyond the range of its vision.

没有梦想的生命就像折翼之鸟，困于笼中，对于视线以外的天地茫然不知。

” Natural philosophy, he lamented,“ Will clip an Angel's wings/ Conquer all mysteries by rule and line/ Empty the haunted air, and gnomed mine/ Unweave a rainbow.

」悲叹：自然哲学「天使折翼╱规则和线条打破所有的神秘╱除鬼魅之气和神灵之土╱解彩虹。

Simulation and Flutter Analysis of Wing Folding Process of Folding Wing Aircraft

折叠翼飞行器机翼折叠过程的颤振仿真分析

CLINICAL APPLICATION OF THE NASOLABIAL FOLD WRAPPED FLAP ON REPAIRING PINNA NASI DEFECT

应用鼻唇沟折叠皮瓣修复鼻翼缺损

STUDY ON MATHEMATICAL MODELS FOR LEAVING BOX PERTURBATION MOTION AND DEPLOYMENT OF FOLDING WING

离箱扰动和折叠翼展开数学模型研究

and they still go on delicately ripping out sleeves and collars with their little penknives,

裁缝们却小心翼翼地用小折刀扯出做袖子和领子的布，

Numerical Simulation of the Dynamic Aerodynamic Characteristics about Partial Flexible Airfoils and Folding Wing Aircraft

局部主动变形翼型和折叠翼变形飞机动态气动特性数值模拟研究

An Investigation for the Effects of Reduced Frequency on Aerofoil Dynamic Lift Characteristics

折算频率对翼型动态升力特性影响的初步研究

Elastic Dynamic FEM Numerical Analysis of Aerocraft Folded-wing;

飞行器折叠尾翼的弹性动力学有限元数值分析

Structure Design and Aerodynamic Analysis of a Developed Folding Wing

一种改进折叠弹翼结构设计与气动分析

He sat down on a chair, hitching up his trousers carefully, as if afraid of destroying the knife - edged crease.

他在一把椅子上坐了下来，小心翼翼地把裤管稍稍拉起，似乎怕弄皱那刀刃般的折缝。

The nasolabial fold wrapped flat is the perfectly chosen flap to repair najor area of pinna nase defect.

鼻唇沟折叠皮瓣是修复较大面积鼻翼缺损可选用的最佳皮瓣。

To swing the tail of an airplane from side to side in order to reduce speed.

摆尾航行，曲折航行使飞机尾翼左右摆动以减慢飞行速度

Dynamics analysis on planetary gear mechanism of a kind of folding-wing aircraft

一种用于折叠翼飞机的行星齿轮机构动力学分析