foppish
发表于 2025-3-28 17:01:18
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Inveterate
发表于 2025-3-28 20:14:47
Crystal Growth and Size,on the metal and the etchant used: either, atoms will be removed at the grain boundaries, or, the surface of each grain will be attacked to expose facets of certain crystallographic planes as in fig. 5.1.
justify
发表于 2025-3-29 00:47:09
Book 1978ition, in state or in testing conditions, while others are much less so. The engineer must know this if he is to make intelligent use of the data on properties of materials that he finds in handbooks and tables, and if he is to exploit successfully new materials as they become available. He can only
GLOSS
发表于 2025-3-29 04:10:22
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粉笔
发表于 2025-3-29 08:27:55
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Popcorn
发表于 2025-3-29 13:17:07
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懒洋洋
发表于 2025-3-29 18:13:32
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撕裂皮肉
发表于 2025-3-29 22:45:33
Alloy Steels, is frequently used as a deoxidizer in steel making, and the fraction that does not form silicon dioxide, which passes into the slag, will remain in solution in the steel. The quantity of silicon used has to be controlled so that, except in special cases, there is not more than a total of 0.4% left in the steel finally.
GLOSS
发表于 2025-3-30 02:51:46
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闲逛
发表于 2025-3-30 05:14:08
Der Weg des Patienten durch die Praxis, or molecules exists depends on the nature of the attractive forces present and may vary with changes in temperature and pressure. Under any particular set of conditions, the state or states will be such that the energy of the system is a minimum.