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1·The thyroid is a small gland located in the front of the neck just below the voice box.

甲状腺是位于颈部前端、喉头下方的一个小腺体。

2·Gland eye bolts: eye bolts are securely fastened to the bonnet yet swing away to permit easy access to the stuffing box.

压盖有眼螺栓：有眼螺栓能够安全地紧固阀盖，也可以旋转拆卸，便于方便容易地进入填料函。

3·Gland eye bolts: eyebolts swing aside for ease in repacking the stuffing box.

压盖有眼螺栓：有眼螺栓可以从旁边旋起，使得填料函的填料更换更加容易。

4·We are professional in produce and sale pip, gland, connecter, box, such4 kinds of products.

专业生产与销售波纹管及拖链、紧件、插件、箱机柜四大系列产品。