2011年8月24日 · Jianjing(GB21,肩井) is an acupuncture point in the meridian named Shaoyang Gall Bladder Meridian of Foot. Meaning. Jian, shoulder; jing, well. The point is on the shoulder and the depression is like a well. Location. Midway between Dazhui and the acromion, at the highest point of the shoulder. Indication. ache of the neck and nape, shoulder ...

2024年1月15日 · 【肩井穴】 Jiān jǐng（GB21），经穴名。出《针灸甲乙经》。属足少阳胆经。手足少阳、阳维之会。别名：肩解穴，膊井穴。

Location: On the shoulder, directly above the nipple, at the midpoint of the line connecting DU 14 and the acromion. Functions: Activates the meridian, descends Qi, promotes labor, benefits the breasts, resolves Phlegm. Needling: Perpendicular insertion .5 - .8 cun. Below this point is the apex of the lung, do not puncture deeply.

Midpoint linking the line between Dazhui (GV14) and the shoulder acromion. Crossing point of GB, TE, ST Meridians and Yangwei Vessel. Each person has his/her own personal body …

For our three patients, Hwangyeonhaedoktang pharmacopuncture was injected at GB21 and GB20 on both sides; a total of 0.4 cc was injected, with 0.1 cc being injected at each point. Fel ursi, Bezora bovis and moschus (BUM) pharmacopuncture was injected at CV17, CV12, and CV6; a total of 0.15 cc was injected, with 0.05 cc being injected at each point.

2024年7月10日 · gb21外六角螺栓在工业中作用关键，具高强度、耐磨、轻便灵活特点，广泛应用于机械设备、电子产品和水利工程。 选择时需考虑材质、强度等级和尺寸，确保稳定连接。

供应“青固”品牌螺丝，0.8φ-20φ碳钢1022、不锈钢 304 、316、302； 铜、铝等材质；2.5-10mm，公称长度：6.5mm-300mm ；表面处理：镀白锌、彩锌、镍、达克罗、热镀锌等；非标按客户要求定做。 材质：碳钢、不锈钢；等级：4.8、8.8、10.9、12.9；表面处理：按客户要求；规格齐全，支持非标定制！ 小六角头螺栓 半精制 [Annex Attached Table 2.2.] Small Hexagon Head Bolts, Semifinished [Annex Attached Table 2.2.]

gb21、gb30是什么螺栓?gb21是小六角头螺栓，gb30是六角头螺栓。这两种产品都有半螺纹和全螺纹。在gb30中头高h=8±0.29。六角头宽s为18.72-19;长度35mm以内为全螺纹，以外为半螺纹。在gb21中头高h=7±0.29，六角头宽s

gb30 螺栓和 gb21 螺栓是最常见的六角头螺栓，属于 1976 年的 国家标准 。 市场上称呼为 “ 三零栓、二幺栓”。 该标准现已作废， 由新 标准 GB5782 、 GB5783 等代替 。

2019年11月27日 · 更多相关文档 . GB 21-1976 小六角头螺栓 星级： 3 页 p3002化学密封,德国tecsis化学密封 星级： 4 页 GB 21-1976 小六角头螺栓.pdf