查询词典 snail shell

Plate-shell heat exchanger is new equipment of combining the advantage of shell and tube heat exchanger and plate heat exchanger.

板壳式换热器是集板式换热器和管壳式换热器优点于一身的新型换热设备。

Certainly, I also meeting and nearby of trumpet shell play and would play hide-and-seek, and nearby of trumpet shell open, beat time of deliver this boredom.

当然，我也会和身边的海螺玩会捉迷藏，和身边的海螺开开玩笑，打发这无聊的时间。

U are the sea,i am the shell.no matter how far away u are ,just press the trumpet shell close to your ears,u can hear my heart calling...

但是，每当在这个时候，或许你在上课，或许你在吃饭，但是，我的确在想你，can u hear my heart calling？

Let's blow the little shell trumpet The seagulls hear it and extend their wings Let's blow the little shell trumpet...

小螺号滴滴滴吹海鸥听了展翅飞小螺号滴滴滴吹浪花听了笑微微小螺号滴滴滴吹声声唤醒归。。。

From the dissertation, transmission case s theory analysis method is discussed, the cracking causation of the shell is found, then the solving method of shell crack is been brought forward.

本文的研究工作主要探讨了变速箱系统的理论分析方法，发现了变速箱箱体实际发生破裂的具体原因，并提出了解决方法。

Aimed at the large deformation problem of industry cooling tower shell, the mathematical model for the random response of rotational shell under the external random excitation is established by statistic perturbation method.

针对工业冷却塔结构大变形的随机动力问题，利用统计摄动方法，考虑旋转壳法向几何非线性及随机激励作用，建立了旋转壳的非线性随机动力响应数学模型。

The company mainly engages in the sales of tower shell, blades, nacelle, hub of wind turbine and signal tower shell all in FRP material and the chemical products like fluorescent bleacher, stearic acid, etc.

公司经营管理严密，配备一支专业的销售和服务团队，主要从事天线罩、风力发电叶片、机舱罩、整流罩、隐蔽天线罩等玻璃钢制品及荧光增白剂、硬脂酸等塑料化学品的销售。

This article main analysis dragline pre-stressed belt rib monolayerspherical surface network shell natural characteristic, takes theresearch key by the most commonly used K6 net shell mechanicalanalysis.

本文主要分析拉索预应力带肋单层球面网壳自振特性，以最常用的K6型网壳的动力分析作为研究重点。

Ningbo Qiujing Instrument Parts Factory is specialized in producing seam with spindle shell companies, the company spirit of "quality brand, customer service in good faith," the purpose of working at home and abroad knitted garment sewing factory and other industries to provide "reliable performance good quality "and" Fairview card "shell Soe.

宁波求精仪表零件厂是专业生产梭壳的缝配企业公司，公司本着&以质量提升品牌，以诚信服务客户&的宗旨，致力于国内外缝纫机制造厂及服装针织等行业提供&性能可靠、质量上乘&的&锦绣牌&梭壳。

In this dissertation, based on glass microspheres and submicron silicon dioxide, the silver-coated core-shell shielding particles were prepared by liquid phase chemical deposition and layer by layer packing technology. The influences of the preparation conditions on the structure of the synthesized core-shell particles were also systemically studied. The conclusions are enumerated as follow:(1) Monodispersed submicron silicon dioxide spheres in the size range of 250～550 nm are synthesized by Sol-Gel method using ammonia as catalyst.

本文在前人研究的基础上设计出以微米级玻璃微珠为基核，采用液相化学沉积法和层层包裹法制备表面包银的核壳粒子电磁屏蔽剂，并对液相化学沉积法和层层包裹法的制备工艺进行了系统研究，取得了以下主要结论：(1)以氨水作催化剂，采用溶胶－凝胶法制备了粒径分布在250～550 nm之间的二氧化硅微球。

Foods high in this vitamin include oily fish such as salmon, tuna and, and fish liver oils.

维生素D含量高的食物包括诸如大麻哈鱼、金枪鱼和鲭鱼之类的油鱼以及鱼肝油。

We need you to cosign our public letter demanding that press intimidation cease immediately, and that all charges be dropped.

我们需要您cosign我们的公共信，要求记者立即停止恐吓，并要求所有收费下降。