醇类抑菌剂三氯叔丁醇常用浓度为
A.0.3%~0.5%
B.0.35%~0.5%
C.0.4%~0.5%
D.0.5%~0.6%
E.0.3%~0.6%
参考答案:B
When the Greeks had _____ the Persians, a soldier ran from Marathon to Athens.
A.won
B.bitten
C.beaten
D.hit
H302ESC环境监控板具备的功能是()。
A、电源监控
B、机柜内的温度监控
C、烟雾监控
D、机柜外的温度监控
E、机柜内外的湿度监控