...平均微蚀﹐ 提供洁净铜 面以助沉锡 酸洗 (Acid dip) 1 ~2min@room temperature 把微蚀出来的铜做调节﹐ 清洁 板面 预浸(Pre-dip) 0. 5~2min @room temperature 调节铜面﹐ 其较低的工作温 度可以减慢最初的锡沉积速度。
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Pre dip 预浸剂
pre-dip salt 预浸盐
pre-dip solution 预浸液
The service mothership would dip into an orbital area called the "graveyard", grabbing pre-chosen cadavers and picking off usable parts, especially valuable antenna arrays, with its robo-limbs.
ENGADGET: Pentagon starts Phoenix trial to harvest defunct satellites, MacGyver new ones from orbit
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