This is a highly efficient new heating system.
这是个高效的新取暖系统。
The ultra-short radius radial system (URRS) is a new highly efficient technology of oil recovery.
径向井是一种新型高效的原油开采技术。
The German telephone system is highly efficient.
德国的电话系统效率很高。
German telephone system is highly efficient.
德国的电话系统效率很高。
German telephone system is highly efficient.
德国的电话系统效率很高。
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