Instantaneous
发表于 2025-3-25 06:56:15
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Foreshadow
发表于 2025-3-25 09:29:02
Polyurethanes,it is to be noted that in technologically useful polymers of this type the urethane group is not usually the principal group present; other groups such as ester, ether, amide and urea groups are generally contained in the polymer chain in appreciable number.
博识
发表于 2025-3-25 15:22:14
Silicones,d to organic groups. The following types of structure come within this definition: . and both linear and network silicones find technological use. It is convenient to classify the silicones which are of commercial interest into three groups, namely fluids, elastomers and resins and these various typ
易弯曲
发表于 2025-3-25 17:58:00
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滴注
发表于 2025-3-25 20:30:10
K. J. Saunderslf and the social relationships — particularly between superiors and inferiors — characteristic of particular employment. Both of these elements were emphasised by Lockwood in his description of clerical work and the clerical class situation in the late 1950s. In small offices, Lockwood suggested th
BARB
发表于 2025-3-26 03:40:14
K. J. Saunderslf and the social relationships — particularly between superiors and inferiors — characteristic of particular employment. Both of these elements were emphasised by Lockwood in his description of clerical work and the clerical class situation in the late 1950s. In small offices, Lockwood suggested th
Connotation
发表于 2025-3-26 06:12:07
K. J. Saunderser the lifetime of the current family, and incorporates what has been learnt from the patterns of previous generations. Much of this patterning in every family operates at the level of habit, and is therefore no longer within the conscious awareness of family members. Where ideas or strongly held be
生锈
发表于 2025-3-26 12:22:57
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临时抱佛脚
发表于 2025-3-26 14:46:41
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colony
发表于 2025-3-26 18:03:54
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