The utility model has the advantages that the negative pressure purifying weighingroom can prevent ultra-fin powder chemical agents from diffusing and flying when in sampling and weighing.
本实用新型的优点是可以防止取样称重时极细的粉末化学试剂弥漫飞扬。
2
Staff were pleasant and helpful and even arranged for a weighing scale to be brought to our room so that we could check the weight of our luggage.
工作人员很愉快和友好，甚至一重规模带到我们的房间里，保证我们的行李的安全。
3
Sorption of water, methanol, benzene, or binary mixtures of the above-mentioned adsorbates were studied at room temperature with static weighing.