这些可以追溯到1855年的石阶开始出现磨损。
The stone steps, dating back to 1855, are beginning to wear.
这些是第一批能经得住连续碾碎玻璃造成的磨损的机器。
These are the first machines that can stand the wear and tear of continuously crushing glass.
象牙磨损的速度快于生长的速度。
由于凹面与凸面之间没有磨损，螺母可以重复使用。
Because there is no abrasion between the concave and convex, the nut is reusable.
我们需要以越来越快的速度消耗、燃烧、磨损、替换和丢弃东西。
We need things consumed, burned up, worn out, replaced and discarded at an ever increasing rate.
但是，技术品的磨损以及功能的丧失与生物体的死亡真的类似或者有可比性吗？
But are the wear and tear and loss of function of technical objects and the death of living organisms really similar or comparable?
构成客体的总是基本物质，而在事物的自然过程中，这些基本物质被磨损，变得“陈旧”。
It is always the basic material which constitutes the object and which, in the natural course of things, is worn down and becomes "older".
它们产生的排放量将取决于驱动它们的电力是如何产生的，而刹车、轮胎和道路在磨损时都会产生微小的空气颗粒。
The level of emissions they cause will depend on how the electricity to run them is generated, while brakes, tyres and roads all create tiny airborne particles as they wear out.
“没有什么是永远存在的！”然而，在这个陈述中，我们想到的是人工制造的技术性物体和产品，它们在使用过程中受到自然磨损。
"Nothing lives for ever!" However, in this statement we think of artificially produced, technical objects, products which are subjected to natural wear and tear during use.
注塑几乎弄不坏，但容易磨损。
Moulded plastic is almost indestructible, but scuffs easily.
发动机的一些部件由于不断使用而磨损了。
他的衣服的材料很贵重，但有些旧，有些地方还有些磨损。
His clothing was of rich stuff, but old, and slightly frayed in places.
边缘处的针脚已经开始磨损了。
一天，在散步时，他发现他的鞋子开始磨损了。
One day while on a walk, he realized that his shoes were starting to wear out.
那时，他的鞋子已经完全磨损了，所以他只能赤脚回家。
By that point, his shoes were completely worn out, so he had to return home barefoot.
提高了硬盘磨损，导致了故障率增加。
Increased wear of hard disks, leading to an increased failure rate.
重点检查飞机外部磨损现象。
The inspections are focusing on signs of wear on the planes' exteriors.
皮鞋订上橡胶底以防止磨损。
Have the soles of your leather shoes lined with rubber to prevent them from wearing down.
数以千计的游客的脚步磨损了泰山上的台阶。
The footsteps of thousands of visitors had worn away the steps of Mountain Tai.
它们比有钢筋水泥保护的涡轮要更容易磨损。
They are also subject to more wear and tear than turbines protected by huge amounts of concrete.
这可以减小低端闪存设备常见的“磨损”风险。
This minimizes the risk of "wear-out" that is common to less advanced Flash devices.
另一件有磨损的为杰克逊财产委员会所拥有。
而且一旦比赛用球出现任何磨损迹象都要换个新球。
And a new ball would be used whenever the one in play showed any sign of wear.
这里也是蹬地的地方，所以鞋的这个面会磨损得更快。
That same area is used to push off the ground, generally wearing down this area of the shoe much quicker.
通过焊接额外层，修复金属制品的磨损零件。
Repair worn parts of metal products by welding on extra layers.
通过焊接额外层，修复金属制品的磨损零件。
Repair worn parts of metal products by welding on extra layers.
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