“Friction”和“Wear”分别是（）
The oil quantity for bearing lubrication should be applied in such an amount as to be sufficient to carry away the （） caused by the friction at the bearings.
Neglecting friction，you desire to lift a 300 kgs weight with a stress on the hauling part of 100 kgs.Which of the following tackles would you use（）.
林木个体发育（development）
What type of stern tube bearing has the least friction（）.
What will NOT increase friction of a liquid flowing in a pipe and cause a loss of suction head?（）.
The amount of fluid friction or internal friction inherent in a mineral lubricating oil is reflected as a measure of its （）.
Friction, engine wear and oil consumption in a diesel engine are directly related to the （）.
生长卵泡(developing follicle)
成熟市场（Developed Markets）
Any friction fit, tightness or adhesion of the part of any load being lifted should be broken by wedge or tapping and not by increasing the load on the applianceAccording to this sentence, （）
The pipe friction and the resistance will （） as a result of an increase in the amount of fluid flowing through the system.
发育(development)
Neglecting friction, you desire to life a 300 kgs weight with a stress on the hauling part of 100kgs.Which of the following tackles would you use ?（）.
The mechanical efficiency of an engine （） because losses occur in the form of friction.
It suggests that some developing-country consumers might even be greener than developed-country ones.
Change will promote development and development will bring about__.
Even before modern notions of friction, it was known that greased surfaces move over one another more easily than dry ones.
The experts in grammar analysis and translation approach believed that the human minds could be trained by logical____of the classic language, memorization of complicated rules, and translation betwee
Increases in oil prices hurt developing economies more than developed ones.
There is no much difference between developped and developping countries in terms of the costs of major sports events（）
当输气管的Re＞Re2时，为阻力平方区When Re＞Re2 of the gas pipe, is the resistance square area； 当输气管的Re1＜re＜re2时，为混合摩擦区when of the gas pipe, it is mixed friction zone； hydraulic smooth＞
4、翻译句子，注意power的译法。 Friction causes a loss of power in the machine.
2、翻译句子，注意develop的译法。 To develop the instrument, many experts were invited.
