The injection mold was designed by analysis of structure and process of a toy gun barrel.

通过对玩具枪管塑件的结构和工艺分析，进行了模具设计。

youdao

Not as happy as it would have made him to see her stop gumming on the barrel of her toy gun, but he wasn't complaining.

尽管这还不像看到她粘着手上的玩具枪不放时那么高兴，不过这什么好抱怨的。

youdao