Nuclear power stations are safe if handled and used correctly.
只要处理和使用得当,核电站是安全的。
To get good sound quality, microphones have to be selected and used correctly.
要保证电视节目声音的质量,必须正确地选择和使用话筒。
The corrosion inhibitors should be selected and used correctly through testing based upon the water quality and copper tube conditions.
应根据拟使用的水质和钢管条件,通过试验,正确选择缓蚀剂和缓蚀剂使用浓度。
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