预防性使用能及时保护发动机，这是由于磨损降低和润滑性改善，以减少机械损伤。
Precautious use can protect the engine in time from mechanical damage due to reduction of wear and tear and improvement in lubrication.
机械密封：密封面、密封垫及轴封等元件必须完好，否则将导致过度泄漏，对有磨损或损伤的元件必须更换。
Mechanical seal: seal face, gasket and shaft seal, etc parts must be undamaged, otherwise will result in over leakage, sure to change parts with wear and tear or damage.
假体压配式固定避免了螺钉的使用，因为其会导致血管神经损伤以及螺钉和臼杯磨损的风险。
Press-fit components avoid the need for screw placement, which carries the added risks of neurovascular injury and fretting wear between screw and shell.
经得住是指不会因某物而损害，磨损是指在平常使用中收到损伤。
Withstand means not be damaged by somethingand wear and tear means damage as a result of ordinary use.
如果你的接头要求比表1建议的值更大的力，检查接头，看密封表面是否有损伤、肮脏或磨损，或螺纹是否磨损或损伤。
If your connection requires more force than the values suggested in Table 1, inspect the connection for marred, dirty, or worn sealing surfaces or worn or damaged threads.
在农业机械装备中，由于环境的影响和工况条件的复杂多变性，在接触面上很容易出现微动磨损造成接触表面的微动损伤。
In agricultural machine equipments, the contact surfaces commonly were damaged by fretting corrosion due to work conditions complexity and the affected of the around environment.
疲劳损伤随加载周期依次表现为加载区的屈服、加载区外围即滑移区的虫蚀状磨损和片状剥落，以及随后出现大块脱落。
According to the loading cycles, the fatigue damage represented bend in loading area, worm - eaten abrasion or exfoliation around loading area and sequent massive exfoliation.
刮痕：由污物、不正确的处理、砂砾、乳剂堆积和特定类型的胶片损伤导致的胶片刮伤(例如：齿孔磨损)。
Abrasion Marks: Scratches on film caused by dirt, improper handling, grit, emulsion pile-ups, and certain types of film damage (e. g., torn perforations).
分析表明，中子辐照脆化、腐蚀损伤、疲劳及磨损引起核电厂不可更换部件及更换困难部件的老化、降级是制约或极大程度影响电厂寿命的关键问题。
The results show that neutron radiation embrittlement, corrosion damage, fatigue and wear are the key issues which cause aging or degradation of un replaceable or difficultly replaceable components.
模具主要是依靠其表面进行工作，因此，模具的失效80%以上来自表面损伤，如磨损、疲劳、腐蚀等。
Molds rely mainly on their surface to work, therefore, more than 80% of failures is due from surface damage, such as wear, fatigue, and corrosion.
针对常用耐磨材料在磨损工况中的损伤特点，总结用于这类工况材料应具备的微观组织及各组成相的性能特点。
According to the worn characteristics of common wear-resistant material under normal condition, microstructure and metallurgical structure of this kind of materials have been summarized in detail.
另外，由于爪外壳磨损或损伤严重而需要维修或更换时，只维修或更换外壳即可。
In addition, when the claw shell needs to be maintained or changed due to severe abrasion or damage, only the shell is maintained or changed.
通过对钢轨的修磨可减少由于滚动接触疲劳引起的钢轨损伤，减少钢轨侧面磨损，可延长钢轨的使用寿命0.5 ~1倍。
It may decrease fatigue damage causing by rolling contact and side damage on track and prolong rail service life 0.5 ~ 1 time by means of grinding rail track.
这种技术适用于修补成型模具、热锻压模具及各种塑料模具的铸造缺陷、磨损、小面积局部剥落、损伤、划沟等。
This new process is suitable for mending the casting defects, worn surface, spalling and scratching of various forming dies, hot forging dies and plastic moulds.
在设备老化机理中，关键问题是中子辐照脆化、腐蚀损伤、疲劳及磨损。
On ageing mechanism of these components, the critical problems are neutron irradiation embrittlement, corrosion damage, fatigue and erosion.
盂唇损伤主要包括磨损、撕裂以及移位，是引起关节疼痛、不稳及退变的重要因素。
Labrum injury including fray, tear and shift, has already been one of the most important factors that cause joint pain, instability and degeneration.
大钳牙必须保持干净，并经常检查。如果有磨损或损伤，必须更换。
Rig tong dies must be kept clean and inspected regularly and must be replaced if worn or damaged.
结果表明，损伤失效部位主要集中在涂层，形式包括表面磨损以及磨损引起的开裂。
The results show that the disabled parts are mostly focused on the coating, such as surface abrasion, cracking because of abrasion.
基于微动损伤表面和截面扫描电子显微分析以及涂层原始表面和微动磨损表面X射线衍射分析，探讨了几种涂层的微动损伤机理。
Moreover, the original surfaces and the fretted surfaces and cross-sections of the coatings were analyzed by means of scanning electron microscopy and X-ray diffraction.
骨水泥在小牛血清介质中微动磨损的损伤机制主要为黏着磨损和疲劳磨损，溶液分子在应力作用下对骨水泥基体有削弱作用。
In calf serum medium, the wear mechanism of fretting is mainly adhesive wear, fatigue wear and the weakening effect of solution molecules on the bone cement matrix under stress.
材料响应微动图可分为轻微损伤医、裂纹区和表面磨损区。
Material response fretting map can be divided into slight degradation, cracking and surface wear zones.
膝关节内损伤主要是由于机械应力分布失衡或负载过度引起软骨磨损所致。
The injury within the knee is mainly due to mechanical stress distribution imbalance or excessive load which cause cartilage wear.
膝关节内损伤主要是由于机械应力分布失衡或负载过度引起软骨磨损所致。
The injury within the knee is mainly due to mechanical stress distribution imbalance or excessive load which cause cartilage wear.
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