random testing短语¹¹⁴⁴⁶⁷⁺⁴ 基本例句 随机测试 The government said in its announcement that it planned by2010 to place new controls on food and drug imports and exports and to step up random testing on medicines. 政府在它的公告中表示它准备在2010年前逐步建立新的食品和药品进出口控制体系，对药品进行不定期抽检。 plantextra