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Because of the confinement of objective condition, the spiral case and draft tube measurement of prototype is smaller than that scaling from the model, so in design stage, analysis of the effects on turbine performance after modifying is necessary.

受客观条件制约，电站真机蜗壳和尾水管尺寸比按模型换算的真机尺寸值要小一些，在设计阶段需要通过数值模拟分析尺寸改小后对机组水力性能的影响。

Production varieties: a type of compressed coil spring, La Huang, torsion spring, Kahuang, drum-shaped spring, pagoda-shaped spring, the disc spring, spring steel, flat cochlear Volume spring, shaking windows of spring, the diaphragm spring, the wave spring, Dies Spring, the flat steel springs, spring steel pagoda, all types of cars, mini-car hoisted damping spring, before and after the shock absorption spring motorcycle, truck brake spring chamber, the diameter of steel specifications from 0.2-75 mm, a square steel, Chen Shui-bian Steel, a variety of stainless steel and tin, such as spring bronze.

生产品种：种类有压缩螺旋弹簧、拉簧、扭簧、卡簧、鼓形弹簧、宝塔形弹簧、碟簧、钢板弹簧、平面蜗卷弹簧、摇窗机弹簧、膜片弹簧、波形弹簧、模具弹簧、方扁钢弹簧、钢板宝塔弹簧、各类轿车、微型汽车悬挂减震弹簧、摩托车前后减震弹簧、载重汽车气室制动弹簧等，规格从钢材直径0.2-75mm，有方形钢、扁钢，有各种不锈钢和锡青铜弹簧等。

HVAC piping design with valve selection 1, chiller plant, cooling water between inlet valve design; 2, before the butterfly pumps, filters, pumps after the check valve, butterfly valve; 3, sets, water separator pressure differential between the bypass valve; 4, set, divider into the returning pipe valve 5, the level of dry pipe valve; 6, valve air handling units, filters, electric two-pass or three-way valve 7, fan coil valve (or plus electric two-way valve) Note: The valve is typically used when the diameter is less than 150mm used Handle Butterfly Valve (D71X, D41X); diameter greater than 150mm used worm drive butterfly (D371X, D341X).

暖通空调管道用阀门的选型设计 1、冷冻水机组、冷却水进出口设计蝶阀； 2、水泵前蝶阀、过滤器，闸门水泵后止回阀、蝶阀； 3、集、分水器之间压差旁通阀； 4、集、分水器进、回水管蝶阀 5、水平干管蝶阀； 6、空气处理机组闸阀、过滤器、电动二通或三通阀 7、风机盘管闸阀注：一般采用蝶阀时，口径小于150mm时采用手柄式蝶阀（D71X、D41X）；口径大于150mm时采用蜗轮传动式蝶阀（D371X、D341X）。

Spur,worm and bevel gears may be cut on milling machines withstandard dividing heads and arbors.

正齿轮、蜗轮和伞齿轮可在带有标准分度头和刀杆的铣床上进行切削。

Six arrises than circular pencil work well, circular pencil market is diverted; straight teeth casting ladle than worm casting ladle work well; also are casting ladle is a popular in market.

六棱铅笔比圆形铅笔好用一点，就挤占了圆形铅笔市场；直齿浇包比蜗轮浇包好用，也会受到浇包市场的欢迎。

Six arrises than circular pencil work well, circular pencil market is diverted; straight teeth casting ladle than worm casting ladle work well; also are casting ladle is a popular in market.

六棱石墨笔比圆形石墨笔好用一点，就挤占了圆形石墨笔市场；直齿浇包比蜗轮浇包好用，也会遭到浇包市场的欢迎。

Objective To explore the expression of calpain in aging rat cochleas and correlation between change of calpaincalpastatin and agerelated hearing loss.

目的 确定钙蛋白酶在老年聋大鼠耳蜗中的表达和钙蛋白酶－钙蛋白酶抑素平衡变化与老年耳聋的相关性。

Two subjects with abnormal cochleas had reliable NRT responses, while one of them had a relatively high NRT threshold (225 CL).

两名耳蜗畸形患者均记录到了NRT 波形，其中一名阈值较高，为225 CL 。

Cochleas of guinea pigs in the experimental group were injured by air blast device for 20 times with an interval of 20 seconds and pressure of 30 kPa; Guinea pigs in the normal control group received no air blast.

实验组用30kPa压力气体冲击致伤豚鼠耳蜗，冲击20次，间隔20s／次；正常对照组不进行气体冲击致伤。

This shows what happens to the crevasses , and when lakes form, they create what are called moulins. The water goes down to the bottom and it lubricate s where the ice meets the bedrock.

这里展示了裂隙造成的后果，一旦形成了湖，就会产生冰川蜗穴，水一直流到底部，在底部的冰和基岩之间直到润滑作用。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。