Fix the connection plate of foundation bolt with nut.
将地脚螺栓连接板用螺母紧固。
Cover is fixing on the tube plate with some sealed gasket by bolt.
端盖用螺栓将它们固定在管板上并加入垫片密封。
Drill and bolt the stringer attachment plate to the long member.
操练和闩上纵梁附件板材对长的成员。
Drill and bolt the stringer attachment plate to the long member.
操练和闩上纵梁附件板材对长的成员。
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