fluoroscopy
发表于 2025-3-25 05:36:54
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ARENA
发表于 2025-3-25 07:39:45
Book 1990s from lack of knowledge, and to that extent both concrete and sea have something in common-we fall a long way short of knowing enough about them. Fortunately we have learned enough from our investigations and experiences to be able to set the limits within which we should operate. It is important f
空气传播
发表于 2025-3-25 14:52:54
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ambivalence
发表于 2025-3-25 19:32:45
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彩色的蜡笔
发表于 2025-3-25 21:05:31
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别名
发表于 2025-3-26 00:48:46
Behaviour of plain concrete,and it. However, this presupposes proper appreciation of the materials employed in construction since their effective, efficient, and economic use governs structural form, configuration, and integrity. Therefore in this chapter we first deal with concrete as a material in its own right while the fol
Anthology
发表于 2025-3-26 08:03:22
Behaviour of reinforced and prestressed concrete,sidered in turn. However, an important difference is the incorporation of the behaviour of steel. Consequently phenomena such as corrosion and bond must be included, resulting in some shift in emphasis. Differential movements too acquire fresh significance due to the conjunction of dissimilar materi
mucous-membrane
发表于 2025-3-26 10:29:18
Structures,he use to which they may be put. Behaviour and application are inter-dependent, however, so that just as effective application has to be founded on sound knowledge of behaviour, so study of behaviour must have regard to likely application. Now, therefore, we should turn to the structural use of conc
headlong
发表于 2025-3-26 14:31:49
Other matters,er matters’ represents an opportunity to touch on important aspects which may have been barely referred to previously. Two in particular ought to be discussed a little further although to some extent that is again a personal preference. They concern floating structures and inspection, maintenance an
柳树；枯黄
发表于 2025-3-26 17:52:54
before they are used for making potting media. This method of controlling soil pathogens was first used by glasshouse growers at the end of the nineteenth century and rapidly increased in importance until the 1950s, when virtually all the mineral soil used in potting media was heat treated. Since th