Tuesday, September 13, 2022
Tuesday, September 13, 2022
Saturday, September 10, 2022
Saturday, September 10, 2022
Tuesday, September 13, 2022
问题:利用半导体敏感陶瓷制造各种传感原件的原理是什么?...
Monday, March 13, 2023
问题:调和漆的代号是03,是已经调好的()的涂料,也称“调和漆”。...
Tuesday, September 13, 2022
Saturday, September 10, 2022
问题:生产中影响抽提的操作因素有()、()、()、()、()等。...
Saturday, September 10, 2022
问题:溶剂的溶解度和同该烃类分子量的关系是:分子量(),溶解度()。...
Tuesday, September 13, 2022
Saturday, December 30, 2023
Tuesday, September 13, 2022
问题:加工原油性质突然变重后,常压塔常一线抽出温度保持不变,会导致()...
Tuesday, September 13, 2022
问题:热载体加热炉循环方式一般分为自然循环和强制循环。()...
Monday, June 19, 2023
问题:研磨分为()和(),研磨时不可将阀瓣与阀座()。...
Wednesday, June 21, 2023
Friday, November 17, 2023
问题:减压塔底部温度一般控制不超过溶剂的分解温度为宜。...
Tuesday, September 13, 2022
Tuesday, September 13, 2022
问题:原油闭路循环转开路时,先关闭开工循环线阀门后打开渣油去罐区阀门。...
Friday, October 6, 2023
Tuesday, September 13, 2022