使用的是钛粉末烧结滤芯, 一般用于粗滤芯或中间过滤.Adopting titanium powder sintered filter core, usually used for prefiltration or inter filtration.钛棒过滤器使用钛粉末结滤志, 用于粗滤或中间过滤.Titanium stick filter uses titanium powder element, is used in the roug...
That bridge looks unsound to me.以我看那桥不安全。He escaped a prison sentence by reason of unsound mind at the time the crime was committed.他以犯罪时精神不正常为由逃过了监禁刑罚。The project is environmentally unsound.这个项目会破坏环境。Don’t listen to uns...