Morphine
发表于 2025-3-23 11:01:53
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Landlocked
发表于 2025-3-23 15:10:02
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ATP861
发表于 2025-3-23 18:27:14
Introduction to Propulsion Shafting Alignment,gy and requirements for shafting alignment vary depending on the type of the system analysed (propulsion, gen-set, etc.), the powertrain size, and the alignment process itself. The following terminology is used throughout this text.
Melanoma
发表于 2025-3-23 23:45:47
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训诫
发表于 2025-3-24 04:24:20
Excitations,most independently of system structural characteristics. In general, the major sources are the low-speed diesel main engine and the propeller. Gas turbines are generally considered to give less excitation than diesel engines. Thus, in this chapter, attention is paid to the excitation of the low-spee
我邪恶
发表于 2025-3-24 09:35:45
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一窝小鸟
发表于 2025-3-24 13:10:25
Concept Design,ed. The focus is on planning for vibration early at the Concept Design stage, where there has been no development of details. If as much as possible can be done in concept design with the simple tools and rules of thumb available at that level, it will help to avoid major vibration problems.
马笼头
发表于 2025-3-24 16:33:06
2692-4420 .Provides clarification to verify consistency of the survey .Working and living onboard vessels imposes a series of generally low-frequency mechanical vibrations as well as single-impulse shock loads on the human body. Also, exposure to noise is characteristic aboard vessels. Low-frequency vibration
Cumulus
发表于 2025-3-24 20:00:07
eelings of the Labour defectors when she wrote in February 1981: ‘The party I loved and worked for over so many years, no longer exists … it is not the democratic socialist party that I joined.’. It was this negative feeling which best expressed the case for the creation of a new party. Moderates ha
丧失
发表于 2025-3-25 02:40:34
Fidaa Karkoriew Year turned ill. Going through the voting lobbies night after night to oppose a measure of which they approved was dispiriting. Roy Jenkins recalled voting in the ‘no’ lobby on the Second Reading on 17 February as especially demoralising. Clandestine arrangements made between some pros and the go