释义 |
UPWBNC²³⁶²¹³⁺¹ 基本例句 =Union of Post Office Workers 邮局工人工会联盟英 A promise not to show upw hen you're with your friends at the mall. 当你和你的朋友在逛街的时候,我答应不去打扰你们。 zgwhys At present basic theory and welding criterion of UPW are defective, research on welding mechanism and melt behavior of the welding region is not enough for the difficulty in study. 由于超声波塑料焊接是涉及多学科的交叉学科,研究难度较大,目前超声波塑料焊接的焊接基础理论和工艺规范还比较欠缺,对超声波塑料焊接机理和熔接行为研究不足。 cnki For example, most of the reject water generated within the UPW system is re- circulated or re- used for back wash or other users. 例如,大部分由超纯水系统产生的废水会重新流动到后期水洗过程中,或者重新用于其他用途。 csiaic |