In order to study the special laser reflection characteristics of cat eye effect of photoelectric equipment with Cassegrain optical lens,reflection model of Cassegrain lens is established using the ZEMAX software.
为了研究具备卡塞格伦式光学镜头的光电装备所特有的猫眼效应特性,采用ZEMAX光学设计分析软件建立了卡塞格伦镜头反射模型,利用物理光学传输方法仿真分析了其猫眼效应反射特性,并得出了猫眼效应可探测入射角范围。
After inspected, the stopper plug of the segment connecting device for this shield is damaged.
87m气平衡泥水盾构,经勘验该盾构的接管装置塞头损坏,为此进行了改进设计。
The top part of the piston is the head, or crown.
活塞的顶部是活塞头或者活塞顶。
ID mark on face of upper and intermediate piston rings must point toward piston crown.
上和中活塞环面上ID标记必须指向活塞头。
The push rod was screwed into a miniature piston head.
这根推杆拧紧在一个微型的活塞头上。
I stuck a pillow inside my trousers!
我在裤腰上塞了个枕头！
piston to head clearance
活塞底和气缸头间隙
hydraulicefficiency ram
液力压头液压缸柱塞
They blocked the entrance to the cave with big rocks.
他们用石头堵塞了洞口。
I have a headache and a sore throat and a stuffed nose .
我头痛,嗓子疼，还有鼻塞。
stop a bottle with a piece of wood
用一块木头塞住瓶子
She punched the pillow behind his head.
她将枕头塞到他的脑后。
a ring for packing pistons or sealing a pipe joint.
填塞活塞或垫在导管接头的圈环。
Taper the plug off a bit with a chisel so that it will sit into the hole.
用凿子把这塞子一头削尖点，使它能塞进孔里。
Taper the plug off a bit with the chisel so that it will fit into the hole.
用凿子把塞子的一头削掉一点，使它能塞进洞里。
He rolled his trousers up t make a pillow, putting the newspaper inside them.
他把长裤卷起来当枕头，把那张报纸塞在里头。
Grip the sleeve and the piston assembly by the head of the hex head bolt.
用六角头螺栓的头部夹住套筒和活塞总成。
a headache resulting from congestion or infection in the paranasal sinuses.
由于鼻窦阻塞或发炎引起的头痛。
Just thinking about the crowd on the way home is depressing .
想到回去时的塞车就令人头痛
②Common symptoms included unilateral headache and nasal obstruction,pus or bloodstain in the nasal discharge and caseous matter in the nasal cavity.
②单侧头痛鼻塞、脓血涕或鼻腔干酪样物;