Vacuum gun and 24v soldering iron have good protection of PCB by antistatic design.
吸锡枪及24v烙铁为防静电设计,有效保护线路板。
In a state-controlled system, it is good to have the state's explicit endorsement and protection.
在国有控制的体系中,得到国家直接的支持和保护当然是有利的。
There is also good evidence that sun protection campaigns have reduced the incidence of melanoma in younger age groups.
还有良好的证据表明防晒运动降低了年轻人群中的黑色素瘤发病率。
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