hsr的音标

hsr的音标：

相关问题

hsr造句

Available in moderate sulfate - resistant ( MSR ) and high sulfate - resistant ( HSR ) Grades. This product is intended for use as a basic well cement.有中抗硫酸盐型 ( MSR ) 和高抗硫盐盐 ( HSR ) 两类,是一种基本油井水泥.The HSR series is built ...
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hsr是什么意思？

abbr.high-speed reader 高速读入机，高速阅读器，high-speed rewind 高速重绕...
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- #释义