The standard sizes and the tightness of the elastic rings, however, vary by manufacturer.
然而标准尺寸和橡胶圈的松紧程度因制造商而有所不同。
"In fact, the data show that population density in the year 1500 predicts tightness today," Gelfand says.
Gelfand说：“事实上，1500年的人口密度数据就能够预测出今天该国文化类型的严格程度。”
Increased volatility has also made conventional price signals for assessing supply tightness less effective.
价格波动性的加剧，也导致衡量供应状况的传统价格信号的有效性降低。
She had no masts, half of the deck had been torn away, and the water-tightness of the hull appeared dubious.
没有桅杆、一半的甲板已经损毁、船体的水密性也令人怀疑。
Sometimes this can be a sharp pain between the shoulder blades; at other times it's just a chronic feeling of tightness.
有时候在两肩胛骨之间会有尖锐的疼痛；有时只是长期的紧张的感觉。
To improve the waterproof wall and air tightness.
有利于提高墙体的防水和气密性。
Bracket mounting screws should be inspected regularly for tightness.
要定期检查托架安装螺钉是否结实。
Superstructure water-tightness doors and Windows to be done hosing test.
上层建筑水密门窗冲水试验。
Epigastric burning sense of malaise. Anorexia. Chest tightness. Drooling.
上腹部灼痛感，乏力。食欲不振。胸闷。流涎等。
The spider does this by changing the tension — or tightness — of the silk lines.
蜘蛛是通过改变丝线的张力或紧密度来做到这点。
Inspection installation and water tightness transducer of echo sounder on berth.
测深仪换能器船台安装和水密性检查。
This welding line should be gouged and welded again before tightness inspection.
这条焊缝在密性检查前要碳刨、再焊。
Accommodation air-condition Freon piping to be done air-tightness and vacuum test.
房舱空调氟利昂管系密性试验和真空试验。
The tightness of the race means that a televised debate on April 3rd may be decisive.
支持率如此接近意味着4月3日的电视辩论将起决定性作用。
I didn't feel any tightness or pain and once again I can concentrate fully on my football.
我感觉不到一丝紧绷和疼痛，我终于又可以全心全意地踢我的足球了。
Ultra sonic test to be carried out for confirm tightness of hatch covers if the yard can do.
如果船厂可以做超声波试验，则应该用超声波来确认水密舱盖的密封性。
The needles will end the tightness in your back, and your muscles will be able to heal quickly.
这些针会结束你背上的紧张感，你的肌肉也会很快就恢复过来。
The metal-to-metal seat ensures tightness if the secondary elastomer seat is damaged during the fire.
如果第二重合成橡胶阀座在火灾期间被损坏，则金属-金属阀座还可以保证气密性。
Gray iron--an alloy of iron carbon and silicon ; easily cast; good pressure tightness in the as-castcondition.
灰口铁--一种铁碳和硅的合金；易于铸造；在铸态下具有很好的压力紧固性。
The opening and closing door fully demonstrated its property of tightness, air tightness and sound insulation.
门扇开启、闭合充分展现出它的密封性、气密性、隔音性。
Superstructure compressed air (water supply, fire fighting, smoke detection) piping to be done air-tightness test.
上层建筑压缩空气管系(供水管、消防管、烟雾探测管)密性试验。
Our insulating glass, soundproof and heat resistant, is good at water & air tightness and can proof water and wind.
中空玻璃设计，隔音隔热，具有极佳的水密性和气密性，防风防水。
Muscle pulls and strains are common and annoying injuries for runners, marked by pain and tightness in the affected muscle.
肌肉拉伤对跑步者来说是常见的，特点是受伤的肌肉疼痛和紧张。
Those are ships for which the company should be able to charge a big premium, given the current tightness in the shipping market.
而在航运市场目前运力短缺的情况下，这些新船将为该公司创造丰厚的利润。
This attempts to relieve the feeling of tightness associated with a narrow space by accentuating the height and overall volume.
项目通过强调高度和整体体量，试图减缓与狭窄空间相关的紧张感。
Gas tightness and water tightness ensure Goldcommon door and window system to produce healthy and comfortable living conditions.
柯曼门窗系统创造健康、舒适的居住环境，离不开优良的气密性和水密性。
While most of the world's largest economies are committed to monetary looseness and fiscal tightness, China is doing just the opposite.
当全球大多数大型经济体致力于货币宽松与财政紧缩之际，中国的举措却恰恰相反。
You'll actually get more tired by holding your arms that way and you'll start to feel tightness and tension in your shoulders and neck.
手那样抬着，实际上更加累人，您会感到您的肩颈部发紧和紧张。
You'll actually get more tired by holding your arms that way and you'll start to feel tightness and tension in your shoulders and neck.
手那样抬着，实际上更加累人，您会感到您的肩颈部发紧和紧张。
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