基本解释开关保险销英汉例句双语例句Lock blade arm down with safety latch before installing handle.安装手柄前请用安全插销锁下刀臂。词组短语短语blade e latch 开关保险销;闸刀保险梢latch blade 开针舌刀latch -blade 针舌专业释义动力与电气工程开关保险销经济学闸刀保险梢