... 定常运动 steady state motion 外壳 case shell 除莠剂 herbicide ...
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镁合金手机外壳的冲压模具及成形工艺研究,电子机械工程网 关键词:镁合金;手机外壳;冲压成形;拉深 [gap=822]Key words: magnesium alloy; case shell; stamping punching; stretching
shell case 弹壳
drawn-shell case 压制外壳
Jamming of shell case 弹壳贴膛
bottom case of telephone shell 电话机外壳底座
On engine cases, installation base can be simplified by a mechanics model, which is case shell with hole and a complex of enclosing wall and reinforcing plate for increase strength.
发动机机匣上安装凸台结构，可简化为机匣壳体开孔后用围壁和加强板组合补强的力学模型。
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In the best case Shell would hope to begin producing offshore Alaskan oil in 10-15 years.
ECONOMIST: Resources: Hidden treasure | The
It offers the full protection of a hard-shell case with an ultra-thin, light-weight, low-profile design.
ENGADGET: Mophie's $80 Juice Pack Air ships to power-hungry iPhone 4 owners
P3 folds up for easy storage, and stows away into its own compact hard-shell carry case.
ENGADGET: Bowers & Wilkins kicks out P3 headphones, brings upscale sound to the commoners (update)
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