听诊器用乳胶管 latex tube for stethoscope
听诊器胶管
Stethoscope rubber tube
以上为机器翻译结果，长、整句建议使用 人工翻译 。
该示教听诊器在下胶管中都接有一个将主、副耳件及胸件接通的三通接头。
A three-way piece which causes the main ear piece, the auxiliary ear piece and the chest piece to communicate is connected in the bottom rubber pipe of the stethoscope for teaching.
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