n.取消前言的人；收縮筋；牽引器

Disconnect retractor wire harness connector. 斷開皮帶卷收器線束接頭。

A weighted retractor is in the vaginal cavity. **內(nèi)有一個(gè)加了重量的牽引器。

Experimental application of auxometric nerve root retractor. 體感誘發(fā)電位；

MAIN OUTCOME MEASURES: Ratio of dragging force and nerve root retractor force;SSEP P1 latency. 主要觀察指標(biāo)：牽拉力與神經(jīng)根牽拉比率、體感誘發(fā)電位P1波潛伏期的關(guān)系。

After exposing the cervical spine the self retaining retractor is placed to provide optimal visualization. 墊起頸后部，以確定和保持正常的頸的生理彎曲。