central authority短语⁴⁵¹⁷⁶ 基本例句 中央的权力 The ZLS Central Authority of the Federal States for Safety has decided that PAH testing shall, for the time being , be voluntary and not part of the GS test procedure. ZLS决定 PAH测试从现在起暂且将属于自愿性测试的，不再是 GS测试程序的一部分。 iciba