螺栓孔 Holes For Screw ; tie-rod hole ; n-d
螺栓孔加强 bolt hole cold-working strenthening
螺栓孔削角 bolt hole chamfering
地脚螺栓孔 anchor hole ; foundation bolt hole ; foundation hole ; anchorbolthole
法兰螺栓孔 flange bolt hole
装配螺栓孔 mounting bolt hole
螺栓孔倒棱 bolt hole chamfering
紧配螺栓孔 fitting bolt hole
地脚螺栓孔直径 diameter of anchor bolt hole
螺栓孔直径 diameter of bolt hole
所述的装饰上盖与下底上至少设有两对固定螺孔，其间采用螺栓连接；
The decorative upper cover and the lower bottom are at least provided with two pairs of fixing screw holes which are connected by screw bolts.
特征是包括飞轮、塑料风叶轮，塑料风叶轮用螺栓紧固在飞轮的螺孔上。
The invention is characterized in that the invention includes a flywheel and a plastic fan blade which is tightly fixed on the screw hole of the flywheel by a bolt.
所述螺栓孔的分布与发动机的飞轮壳的螺孔对位适配。
The distribution of the bolt holes is adapted to the bolt holes of a flywheel shell of an engine in a para-position way.
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