基本解释[机械工程]有盖作业地方英汉例句双语例句Yes. The total laser torch working area is covered with a big seal light-proof class cover.整个激光炬工作区域都在一个大型密闭耐光玻璃罩的保护下。covered working area更多例句词组短语短语Completely Covered Working Area 全保护工作区域covered working area更多词组专业释义机械工程有盖作业地方