短语词组短语unshielded cable 无屏蔽电缆;非铠装电缆;翻译Unshielded TP 非屏蔽双绞线telescope unshielded 无屏蔽望远镜unshielded lead 未屏蔽导线unshielded ignition 无屏蔽点火器unshielded impeller 开式叶轮unshielded distance 暴露距离 返回 unshielded