可调节的挂链钩可方便地与各种货车紧密配合。

The adjustable chain coupling can easily cooperate with all kinds of lorries.

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具有吸顶盘、挂链、装饰盖、撑杆座、撑杆、圆环，以及设置于撑杆上的灯座等构成。

The utility model is composed of a top-sucking disk, a hanging chain, a decorative cap, a supporting rod seat, a supporting rod, a circular ring, a lamp holder arranged on the supporting rod, etc.

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采用混凝沉淀-酸化水解-悬挂链曝气-生物接触氧化组合工艺处理皮革和毛皮加工生产废水。

Combined technology of coagulation sedimentation - acid hydrolysis - suspended chain aerating - biological contact oxidation was used to treat leather industry and fur processing wastewater.

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