实验样品应放置在恒温箱内,避免温度波动影响结果。Shíyàn yàngpǐn yīng fàngzhì zài héngwēnxiāng nèi, bìmiǎn wēndù bōdòng yǐngxiǎng jiéguǒ.The experimental samples should be placed in a thermostatic chamber to prevent temperature fluctuations from affecting the results.
请把行李放置在座位下面,不要挡住过道。Qǐng bǎ xíngli fàngzhì zài zuòwèi xiàmiàn, bú yào dǎng zhù guòdào.Please put your luggage under the seat and do not block the aisle.
药品要放置在孩子拿不到的地方。Yàopǐn yào fàngzhì zài háizi ná bu dào de dìfang.Medicine should be kept where children cannot reach it.