With unified adjusting function, it can preset welding wire diameter and welding current, can automatically match out the regulated welding parameter, it's easy to for beginner to operate.
具有一元化调节功能，可预置焊接电流，能自动匹配规范的焊接参数，操作简单，有利于初用者的操作。
The purpose of this paper is to discuss the characteristics and affecting factors of adsorption time and preset some new understanding for this parameter application, based on conducted…
通过我国部分煤层气井的实际测试，对煤储层的吸附时间特征及影响测试值的因素进行了探讨，对吸附时间参数的应用提出了一些新认识。
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