This restriction allows internal packages to stay internal.

该限制允许内部包保留在内部。

youdao

The same principle applies here as to stripping any internal undercut i. e. the molding must be free to expand during ejection to permit the molded undercut to ride over the restriction on the core.

相同的原理用到这儿关于推出任何内部模型凹穴，也就是说零件在顶出时必须能自由扩张答应形成的模型凹穴通过型芯的约束。

youdao

Internal flush joints are most common, offering no restriction to fluid flow.

内平式接头最为普遍，它对流体的流动没有限制。

youdao

Internal polling by the governor's team reckons that budget reform will attract 55% of the voters, the restriction on union spending will be supported by 68%, and the change to teachers' tenure by another 68%.

ECONOMIST: California