2818| 2
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這種V1027M美國材料對沖擊功的要求 |
點(diǎn)評(píng)
多謝指點(diǎn)!按這樣轉(zhuǎn)換為公制是14-27焦耳,是在合理范圍內(nèi)。
評(píng)分
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