无覆盖的;无壳的:无罩的,尤指常用的东西。
埋头无壳弹的点火、烧与装药结构的相互匹配有着十分密切关系。
In the countersunk caseless cartridge, the burning at ignition allied to the matching of charge configuration.
英国大使提供了价值成百美圆的Pol Roger香槟和无壳三明治。
The British ambassador served up Pol Roger and crustless sandwiches for several hundred.
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