Entertainment industry: pen, stapler, inkpad, glue, correction liquid, poker, jigsaw puzzle, toy, artwork, etc.
文娱行业：笔、订书机、订书钉、印泥、胶水、修改液、扑克牌、拼图、玩具、工艺品等；
Orthogonal test was (employed) to inspect the influence of pullulan and three other ingredients on the quality of the (correction liquid).
用正交试验法考察了普鲁兰与其它三种成分对涂改液质量的影响。
The precision of liquid column manometer was described. The correct use method and error correction of U tube manometer and double tube differential pressure gauge were analysed.
叙述了液柱式压力计的精度，对U形管压力计和双管差压计的正确使用方法及误差修正做了简要分析。
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