问题:剑麻属植物纤维中的()纤维;合成纤维中使用最早、使用最广的是()。...
Wednesday, June 4, 2025
Thursday, March 6, 2025
Friday, June 6, 2025
Friday, August 1, 2025
问题:渔具分类依据是渔具特征它包括渔具材料、()、()、作业方式。...
Friday, August 1, 2025
Friday, June 6, 2025
问题:纤维材料的鉴别方法有()、()、()、()、试剂色法五种。...
Friday, August 1, 2025
Friday, June 6, 2025
问题:网片的减目方法有并()、()、宕眼减目法等三种。...
Tuesday, April 29, 2025
Friday, June 6, 2025
Saturday, February 1, 2025
Friday, June 6, 2025
Saturday, December 7, 2024
Saturday, February 1, 2025
Friday, September 6, 2024
Monday, March 4, 2024
Friday, June 6, 2025
Thursday, March 6, 2025
Tuesday, April 29, 2025
问题:网赶的原则是(),(),(),由浅到深,由宽到窄,纵横交错。...
Tuesday, October 1, 2024