单词	pp1
释义	pp1 =first postpacing beat 起搏后第一个搏动
随便看	stainless steel bellows stainless steel belt stainless steel billet stainless steel bipolar plate stainless steel bipolar plates stainless steel blade stainless steel blank stainless steel board Stainless steel body and parts stainless steel boiler tube stainless steel bolts Stainless steel bracelet and case Stainless steel bracelets and rings stainless steel buckle stainless steel burden drum stainless steel can stainless steel capillary stainless steel car body stainless-steel car-body Stainless Steel-Carbon Steel Clad Sheet stainless steel case Stainless steel casting stainless steel cathode Stainless steel chamber stainless steel charged with tritium