沉头长方颈马车螺栓的英文

flat countersunk long square neck bolts

• 沉:    sink
• 头:    5点就得动身 have to sta ...
• 长方:    rectangle involuti ...
• 颈:    neck
• 马车:    carriage; coach; c ...
• 螺栓:    bolt; screw bolt; ...