This valve is widely used at the top bottom of store house carry port in metallurgical, mining, building material, food, chemical industries etc.
气动方形闸板阀气动闸板阀气动闸板门用于建材、冶金、矿山、电力、化工、玻璃、轻工、粮食等行业的库顶、库底及进出口等。
"It's tough at the top," he said. "It's tougher at the bottom," riposted the billionaire.
“身居高位很辛苦，”他说。“在底层更辛苦，”亿万富翁机敏地答道。
There's an angler fish at the bottom of the ocean that has a rod sticking up from the top of its head with a lure to capture other fish.
在海底中生活着一种琵琶鱼，它的头顶有一根突出的杆，带有用来捕获其他鱼类的诱饵。
We started from the bottom and we had to work our way up to the top.
我们从最底层做起，必须奋斗到最高层。
Concentrations of positively charged particles develop at the top and bottom of the cloud, but the middle region becomes negatively charged.
带正电荷的粒子集中在云团的顶部和底部，但中间区域形成的是带负电荷的粒子。
When the rig sank, the riser broke near the top while remaining attached to the blowout preventer at the bottom.
当钻井平台下沉时，立管在顶部附近的地方断裂，同时另一端仍与底部的防喷器相连。
To help generate lift to keep midwater, the top of the tail extends farther back than the bottom, creating a slant along the back edge.
为了保持在水中不至于沉底，尾部的顶端比底端向后延伸，沿着后端形成一个斜面，产生提力。
If the glass were kept hot enough, it would flow over the molten tin until the top surface was also flat, horizontal and perfectly parallel to the bottom surface.
如果玻璃保持足够的温度，它就会在熔化的锡中流动，直到顶部表面也变得平整、水平，与底部表面完全平行。
The idea that those at the bottom can rise to the top is central to America's ideas about itself.
美国自我认知的核心便是社会底层的人有机会跃居社会顶层。
"When the bottom of the mountain is summer, the top is spring and while the foothill is autumn, the top is covered with ice," local people say of the special climate of Shennongjia.
当地的人们这样形容神农架的特殊气候：“山脚下是夏天，山顶是春天，山脚下是秋天，山顶被冰雪覆盖。”
Before the Spring Festival, every Chinese household would have their houses cleaned from top to bottom.
在春节之前，每个中国家庭都会把自己家从上到下彻底打扫一遍。
The clerical workers considered factors such as quality of work performed and job knowledge near the top of their list, but these were at the bottom of the production workers' list.
文员们把工作质量和工作知识等因素放在工作清单的最前面，但这些因素在生产工人的工作清单中却排在最后。
In the second place, we cleaned their houses from top to bottom, getting rid of the dirt accumulated for years and giving a brand-new environment to them.
第二，我们彻底清扫了他们的房子，清除了多年积累的灰尘，给他们一个全新的环境。
Waves are measured (测量) from the top (crest) to the bottom (trough).
海浪是从波峰到波谷进行测量的。
The sand falls from the top of the sand glasses to the bottom.
沙子从沙漏的顶部落到底部。
Why do you paint on the bottom half of your paper, but not on the top half?
为什么你画在纸的下半部分，而不是上半部分？
The textured top and bottom keep it from sliding, so your projects stay where you want them.
特定结构的顶和底可以防滑，这样垫着的东西就会老老实实待在原地了。
Fold your top and bottom finished edges down where they loosely cover the skewers.
把顶端和底部包好边的布折起，盖住叉子。
Gnuplot draws the borders of the boxes in this order: top, bottom, left, and right, with their respective values: 1, 2, 4, 8.
gnuplot按以下次序绘制框的边框：顶、底、左和右，值分别为1、2、4、8。
As a default, the template calls for 3 points of space at the top, bottom, left, and right of the table cell.
缺省情况下，模板要求表单元的顶部、底部以及左右两边各留有距离为3点的空间。
Swiping from the top or bottom bezel brings up menu commands for whatever app you're in.
不管是移动哪一个应用，从顶部滑到底部的时候还会出现一个菜单命令。
Circles are drawn in top and bottom halves, from largest diameter to smallest.
圆形按直径从最大到最小绘制在上半部和下半部。
Structurally, the website shows a clean hierarchical importance from top to bottom and left to right.
从结构上看，整个站点显示了一种干净的结构，从上到下，从左到右。
These rewrite rules are evaluated from top to bottom.
这些重写规则将从头到尾进行计算。
The economy minister, Satoshi Arai, said: “Whoever is top or bottom has no meaning.
日本经济财政大臣荒井聪说：“谁第一谁垫底没有任何意义。
Each top - and bottom-circle half is divided into a collection of horizontal lines.
各顶部和底部半圆都将划分为一组水平线段。
Top-bottom mapping — Mapping begins in the root of the target and goes down.
自上而下映射 — 映射始于目标的根，然后往下进行。
Top and bottom sizes can be mixed and matched, and many are adjustable.
上装与下装的各种尺寸可以混合搭配，而且许多是可以调节的。
These forms were like the cunning tables used by mathematicians, which may be entered from top, bottom, right, and left, which entrances consist of scores of lines and.
这些模式像巧妙的数学表格，可以从上面、下面。左面。
Slices from the top, bottom, sides and bulk of each specimen were examined by methanol exchange, quantitative determination of coarse and fine aggregate and backscattered electron imaging in the SEM.
分别从每个样条的顶部、底部、侧面和本体取样，通过甲醇交换，粗细集料的定量测定和在SEM中的背散射电子成像对试样进行检测。
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