不锈钢连接管（tubingconnectors）不锈钢管，长12.7mm。主要用途：连接各类导管。订购信息：货号产品描述规格C30G30ga.1dozen,non-sterile12个C28G28ga.1dozen,non-sterile12个C27G27ga.1dozen,non-sterile12个C23G23ga.1dozen,non-sterile12个C22G22ga.1dozen,non-sterile12个C21G21ga.1dozen,non-sterile12个C20G20ga.1dozen,non-sterile12个C19G19ga.1dozen,non-sterile12个备注：毛细不锈钢连接管，这里出现了GA单位，这是北美***上常用的表示管子直径的单位，具体对应见下表，希望对大家的选择有一个指导作用。NominalO.D.NominalI.D.GaugemmInchesmmInches191.0670.0420.6860.027200.9020.03550.5840.023220.7110.0280.3940.0155230.6350.0250.3180.0125240.5590.0220.2920.0115270.4060.0160.1910.0075280.3560.0140.1650.0065290.3300.0130.1650.0065300.3050.0120.1400.0055)