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zhihu.com
https://www.zhihu.com/question/50779305
ABS是什么材料？是塑料还是树脂？ - 知乎
ABS塑料是通常的叫法，准确的来说应该是叫ABS树脂 题主的问题分了两个问号，其实只问了一个问题，ABS材料是塑料还是树脂？
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self.com
https://www.self.com/story/boat-pose-for-abs
The Right Way to Do Boat Pose If You Really Want to Fire Up Your Abs - SELF
If you’re looking for a yoga move to really challenge your core and bolster your back, boat pose may be the exercise you need to add to your next workout.
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self.com
https://www.self.com/gallery/21-incredibly-effecti…
Best Abs Exercises: 31 Core Moves You Can Do at Home | SELF
If you're looking for the best abs exercises you can do at home, try these 31 moves that work your entire core for better spinal stability and strength.
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zhihu.com
https://www.zhihu.com/question/68193305
产品外壳材质PC、ABS、PC+ABS各有什么优缺点？ - 知乎
凯杰塑料目前有30多家ABS改性造粒厂家在使用我们的硅酮母料用来代替之前在ABS改性造粒时添加的低分子塑料润滑母料。 其中有一家ABS改性造粒厂家是生产电脑配件，成品表面不能有析出现象，但是现在下游客户的ABS产品出现了表面析出问题。
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self.com
https://www.self.com/gallery/core-exercises-top-tr…
34 Core Exercises Top Trainers Swear By - SELF
Fitness pros share the core exercises they use to strengthen and stabilize the important muscle group that includes the abs, obliques, and lower back.
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self.com
https://www.self.com/story/the-abs-defining-muscle…
8 Abs Exercises to Work the Deepest Muscle in Your Core
These transverse abdominis exercises will help you build balanced core strength by working the deepest muscle in your core.
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self.com
https://www.self.com/gallery/standing-core-exercis…
12 Standing Core Exercises That Will Fire Up Your Abs - SELF
These standing core exercises prove you don't need to lie down to really work your abs—and you can do some of these moves with just your bodyweight.
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zhihu.com
https://www.zhihu.com/question/605546468
abs 塑料和 pp 塑料有什么差异？ - 知乎
ABS化学名称：丙烯腈-丁二烯-苯乙烯共聚物。 PP化学名称： 聚丙烯 。 2、燃烧后的性质 PP：燃烧快、容易，熔融滴落，火焰上黄下蓝，闻味道有石油气味。 ABS：缓慢软化燃烧，无滴落，火焰黄色，有黑烟，火烧后表面光亮，会有密密麻麻的小孔，味道有淡淡的 ...
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self.com
https://www.self.com/story/10-minute-abs-workout
Abs Workout in 10 Minutes: 5 Moves to a Stronger Core | SELF
Get in a full abs workout in 10 minutes with this speedy core-focused workout routine that features just three equipment-free exercises.
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self.com
https://www.self.com/gallery/dumbbell-exercises-th…
A Dumbbell Abs Workout That Will Hit Your Arms Too | SELF
Switch up your core work with this dumbbell abs workout. Each of these exercises challenges your core and strengthens other muscles at the same time.