knee retractor

Methods Retractors safe for nerve root may quantify the tensile force of it.

目的神经根拉钩是髓核摘除术和椎间融合术必备的器械,术中容易引起神经根的过度牵拉,本文旨在设计可测力的神经根安全拉钩。

Improvement on draw hook for connecting of half-slide matched cavity;

哈夫凹模瓣合拉钩的改进

lifter for stove lids, of base metal

炉盖拉钩,贱金属制

Design and Application of a Spinal Arc Auto-retractor

脊柱弧形自动拉钩的设计与术中应用

Clinical Application of CCRS in Anterior Cervical Spine Surgery

颈椎前路自动撑开拉钩的临床应用价值

A fastener slides along and fastens the hooks together.

拉上拉链，齿钩合到一起。

twitch the hook of a fishing line through or along the surface of water.

沿水面急拉鱼钩钓鱼。

To hook or land(a fish) using a gaff.

用鱼叉叉（鱼），用手钩拉（鱼）

A grappling device for dragging bodies of water, such as lakes or rivers.

抓钩一种用于拖拉湖泊或河流上船只的钩状物

To use a grapple or similar device, as for dragging.

用抓钩使用抓钩或类似的设备，如用于拖拉

pole-handled hook used to pull or push boats.

用来拖拉船只的有把手的钩。

Scraps should be cleaned away with hooks, no pulling with hands.

切屑应用钩子清除，禁止用手拉。

The line ran out into the water as a fish swallowed the hook.

当鱼吞饵上钩时，钓线就被拉进水里。

Suddenly the stone moved. The hook flew up the well.

突然，石头动了，吊钩从井里被拉了出来。

cleat hook, for blind cords, of base metal

百叶窗拉绳的楔子钩,贱金属制

exhaust (a hooked fish) by allowing it to pull on the line.

通过不停的拉动线使上钩的鱼疲乏。

Force Analysis of Telescopic Hooklift as Loading and Unloading of Container

整装整卸时伸缩式拉臂钩的受力分析

Gently lift and pull the top of the earhook up and off the upper hinge pin. Then pull it away to remove it.

轻轻抬起并拉起耳机挂钩顶部，与耳机上端按钮分离；取下耳机挂钩。

A large iron hook attached to a pole or handle and used to land large fish.

手钩一种用于把大鱼拉上岸的系在杆上或柄上的大铁钩

To exhaust(a hooked fish) by allowing it to pull on the line.

使上钩的鱼疲乏让（上钩的鱼）拉动吊线而致筋疲力尽