板材

Main rotor blades, with a steel spar in the leading edge, are filled with plastic and have sheet duralumin skin.

主旋翼叶片的领先优势，在钢铁晶石，充满了塑料和铝合金板材有皮肤。

Heat treated boards display a reduced modulus of rupture and an increase in dustiness.

经过热处理后，板材的断裂模数变小，而含尘量增加。

We made an effective analysis on the bending resistance capacity of the new concrete sandwich plate with the finite-element method.

本文主要通过试验方法并辅助有限元分析对这种新型板材的抗弯性能进行了研究。

GY also produces metal embosser machine, three roller calendering machine, plastic extrusion assembling machine, filming machine, plastic extrusion plate production line, PVC plate production line, embossing devices etc.

公司还生产金属压花机、三辊压光机、塑料流延膜机组、涂膜机组、塑料挤出板材生产线、PVC片材机生产线，压花装置等机械类产品，且出口欧洲、非洲诸国，并已通过CE-marketing认证。19楼空间JCANh

GY also produces metal embosser machine , three roller calendering machine , plastic extrusion assembling machine , filming machine , plastic extrusion plate sheet production line , PVC plate sheet production line , embossing devices etc .

公司还生产金属压花机，三辊压光机，塑料流延膜机组，涂膜机组，塑料挤出板材生产线

Stainless steel sheet with polished surface processed with fiber emery wheel.

用纤维砂轮加工的不锈钢板材的表面。

Two years hand-grinding practical experiences, have sheet metal fabrication, encloser, driving cabinet working background will be very good

两年表面手工研磨工作经验，有板材加工/机柜/驾驶室制造行业背景的优先

At least three years CNC Turret punching machine,CNC shearing machine,CNC bending machine practical experiences, have sheet metal fabrication, encloser, driving cabinet working background will be very good

至少三年以上数控转塔冲床，数控剪床，折弯床操作经验，有板材加工/机柜/驾驶室制造行业背景的优先

Based on ANSYS and SYSNOISE software, How the thickness, stiffness, boundary conditions, material density, elastic module and damping factor of viscoelastic structure to affect the sound radiation is discussed in the paper, then some useful conclusions are drawn from them, which will give engineers a guideline to choice the optimization damping.

最后，本文对粘弹性阻尼夹层板结构的声辐射进行了计算，并研究夹层板结构的厚度、加筋方式、边界约束条件、板材、厚度、材料弹性模量、阻尼材料损耗因子、阻尼层密度等参数对声辐射产生的影响并进行比较，得出了一些有益的结论，为最佳阻尼的处理提供了一定的依据。

Recently, the production of Medium Density Fiberboard has developed greatly in our country. Because of its extensive range of application and its good qualities, MDF has been accepted widely by user.

中文摘要：我国的中密度纤维板生产发展很快，由于其应用范围十分广泛，而且具有一些其它板材没有的优点，越来越受到用户的喜欢。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！