通常以开关量作为比例控制的驱动信号,阀体在接收到控制信号后,对阀板的位置实现连续调节
错误
暂无解析
名词解释:营养性缺铁性贫血
重写句子:Theteacherreturnedthehomework.Theteachernoticedtheerror.(complexsentence)
______wecanhopeforistoavoidcompletefailureinthecominggamewiththatstrongteam.
不是肺炎并心衰的临床表现的是()
Itisimportantto________yourskinfromtheharmfulstrongsunlight.