| 单词 | shell casing |
| 释义 | shell casing Centre-fire rounds are more powerful, and the firing pin hits the charge in the centre of the shell casing. The Sun Officers recovered a single shell casing. Times, Sunday Times Little yellow plastic cards were placed by each shell casing, 11 in all. Times, Sunday Times Spent shell casing are automatically ejected outside the turret after being fired. Retrieved from Wikipedia CC BY-SA 3.0 The laptop has a reinforced polymer-based clam shell casing that houses the solar panels and makes the laptop more durable. Retrieved from Wikipedia CC BY-SA 3.0 |
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