Pacemakers used to have but a single lead, going to one of the heart’s four chambers.
以往的起搏器通常只有一根导线接入心脏四个房室中的一个。
The police haven't got a single lead yet.
警察到现在还未获得一点线索。
Pacemakers used to have but a single lead, going to one of the heart's four chambers.
以往的起搏器通常只有一根导线接入心脏四个房室中的一个。
Use of limb lead or single lead thoracic placement electrocardiograms resulted in some loss of specificity.
用肢导联或单用胸导联的心电图可致特异性更低。
Manual actuator stems are single lead stub acme threads with one piece heavy duty clip welded on.
手动执行器轴是单导短梯形螺纹，带一件重型焊接夹子。
Manual actuator stems are single lead stub acme threads with one piece heavy duty clip welded on.
手动执行器轴是单导短梯形螺纹，带一件重型焊接夹子。
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