It looks like a dumb bell.

它看起来就像是个哑铃。

B:It looks like a dumb bell.

它看起来就像是个哑铃.

Coordinate with dumb bell can exercise the muscle of the upper limb and chest.

配合使用哑铃,可同时锻炼上肢及胸部和背部肌肉.

Dumb-bell ZnO with high purity and uniform size was synthesized by ultrasonic-assisted reflux method.

采用超声波辅助回流法制备了高纯度且尺寸一致的哑铃状氧化锌。

Balloon distention for 109 cases in upper digestiretract tract with X-ray location by using pulse press, dumb-bell bladder, interventional wire and so on.

方法应用自制脉冲式压力器，哑铃型球囊，加强导丝及血管介入导丝，在X线导引下对109例上消化道狭窄患者进行了扩张术。