變送器的膜盒、毛細(xì)管等的填充液，一般都采用硅油，為什么？
因為硅油的沸點(diǎn)高、膨脹系數(shù)小、凝固點(diǎn)低，而且化學(xué)活性差，因此環(huán)境溫度的變化不會影響測量精度。
暫無解析
Theconclusionfromthestudyisnotdefinite;itisjust________.
Nobodyintheclassagreeswithyou,________________?
Willyousendus_____returnmailpamphletsandpricelist____yourexports?
ThechildhoodofTomSawyerandHuckFinnintheMississippiisarecordofavanishedwayoflifeinthe()Mississippivalley
analysis,criteria,diabetes,gentry,pants,physicsa.Singularonly:________________________________________b.Pluralonly:__________________________________________
