She laid a spring mattress under the sheet.
她在床单下面铺了一个弹簧床垫。
Think of each sheet as a separate spring.
你可以把每一张汽泡纸看作一个弹簧。
Maybe you can see that what I really need is Young's modulus for bubble wrap and not the spring constant of an individual sheet.
现在你大概能够看出我真正需要的其实是汽泡纸的杨氏模量而非一张纸的弹性系数。
The diaphragm spring is a single thin sheet of metal which yields when pressure is applied to it.
膜片弹簧是一张薄金属片，当压力施加到膜片弹簧上，会产生变形。
Arboreal pollen in alluvium mainly came from the surface pollen fallen on the ground in spring which was carried by sheet flow during the floods.
洪水期冲积物中的木本植物花粉主要是由雨水片流将春季落入表土的花粉带入河水中所致。
The effects of plastic-sheet-covered cultivation, ridge culture, fertilization quantity and planting density on the yield of spring potato were studied.
研究了覆膜和垄作栽培以及施肥量和种植密度对春马铃薯产量的影响。
In order to acquire the local bending spring-back accuracy of sheet metal strip of a progressive die design, the thesis aims to build ironing depth simulation model in a bending deformation zone.
为解决级进模具使用的带料上的局部折弯回弹的精度问题，本文建立了折弯变形区的过压量模拟模型。
A practical mechanism for the core-pulling of inside groove was presented. The core-pulling was achieved by applying the deformation of helical spring steel sheet during the ejecting process.
介绍了一种实用的内侧槽抽芯机构，可利用螺旋形弹簧钢板的顶出变形实现内侧抽芯，并阐述了抽芯机构的工作过程和关键技术。
The utility model relates to a motorcycle handle switch device which comprises a switch casing, a driving shaft, a contact ring, a contact sheet, a spring, a base plate and a wire.
一种摩托车手柄开关装置，包括开关壳体、传动轴、接触环、接触片、弹簧、基板以及配线。
A push-button socket is fixedly installed on the wall face of the housing. A compress push button with the extruding ink sheet is arranged on the push-button socket by a compression spring.
壳体壁面上固装按钮座，压缩弹簧将带着挤压墨片的压缩按钮安装在按钮座上；
The spring-back is not only one of the most common defects in the sheet metal forming, but also one of the hardest to control deficiencies, especially in the bending process.
回弹是薄板冲压成形中最常见的缺陷之一，也是最难控制的缺陷，尤其是在弯曲成形过程中。
Each sheet contains rare deep sea roe essence, a variety of vitamins and natural spring mineral substances, efficiently, durably moisturize skin and.
每片蕴含珍贵的深海鱼子精华，更揉合多种维他命，以及天然天矿物元素，高效保湿，帮助肌肤长久维持水分滋润及。
The outer surface of the bracelet ring is coated by gold, silver and decorative coating. The connecting device can adopt a spring or a snap buckle sheet.
手镯环为中空环形结构，采用硬塑或轻金属，外表面镀（涂）金、银及装饰涂料。
The outer surface of the bracelet ring is coated by gold, silver and decorative coating. The connecting device can adopt a spring or a snap buckle sheet.
手镯环为中空环形结构，采用硬塑或轻金属，外表面镀（涂）金、银及装饰涂料。
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