问题:两个滚筒接触时,只有一点或两点的线速度是相等的,其余各点都不相等。...
Sunday, April 14, 2024
Monday, October 16, 2023
Tuesday, November 21, 2023
Thursday, July 13, 2023
问题:柔性版的弯曲变形量与()无关。A、印版厚度B、印版长度C、版材弹性模量D、印版滚筒半径...
Thursday, October 27, 2022
问题:润湿液供液量实用范围大,水量容易控制,论述其原因。...
Tuesday, June 20, 2023
Tuesday, November 21, 2023
Tuesday, March 5, 2024
问题:PS版润湿液中,()改善印版亲水性。A、柠檬酸B、磷酸C、桃胶D、表面活性剂...
Friday, October 13, 2023
问题:干式叠印不用于()印刷。A、单色胶印机B、多色胶印机C、凹印机D、柔印机...
Tuesday, March 5, 2024
Thursday, April 6, 2023
Sunday, September 11, 2022
问题:对于薄膜材料,油墨的附着也只能靠分子间的二次结合力。...
Friday, December 15, 2023
问题:湿式多色印刷中,往往按照各组滚筒的顺序,使油墨的粘性逐渐降低。...
Thursday, October 19, 2023
问题:使印刷面完全接触主要是由()完成。A、印刷速度B、印刷压力C、承印物D、油墨...
Friday, December 15, 2023
Sunday, April 14, 2024
问题:柔印机印版滚筒直径相同时,柔性版厚度越小,装在印版滚筒上弯曲变形越()。A、大B、小C、不变D、不确定...
Tuesday, March 28, 2023
问题:润湿液表面张力越大,对印版的润湿性越()。A、好B、差C、中等D、不一定...
Thursday, October 19, 2023
问题:从着墨辊的着墨率来看,你认为哪一种墨辊排列方式对油墨的传输有利?...
Tuesday, November 7, 2023
Saturday, November 12, 2022