The level of permeability of each cigarette paper was also examined using a PPM1000M paper porosity device (Cerulean, Milton-Keynes, UK) using the vacuum method.
采用利用真空方法的PPM 1000 M纸孔设备(英国Cerulean米尔顿-凯恩斯)检测每张烟纸的渗透程度。
The prestressed duct was a technical measure of duct grouting by vacuum method.
采用塑料波纹管作为预应力管道是配套真空辅助压浆技术的技术措施。
Objective: To investigate the application of high vacuum method in phacoemulsification and evaluate its effect.
前言：目的：探讨高负压在超声乳化手术中的应用，并对其效果进行评价。
The present invention discloses a method for preparing a vinyl acetate catalyst by a vacuum method.
本发明提出了一种使用真空方法进行醋酸乙烯酯催化剂的制备 方法。
The present paper discussed the problems during the production of thick-wall glass by application of new technology of inside diameter controlling with vacuum method.
本文对真空法控制内径拉制成厚壁管状玻璃棒的生产中出现的问题进行讨论。
The present paper discussed the problems during the production of thick-wall glass by application of new technology of inside diameter controlling with vacuum method.
本文对真空法控制内径拉制成厚壁管状玻璃棒的生产中出现的问题进行讨论。
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