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吊杆支撑
derrick plumbing hatch
- 这些太阳棚的支撑的安装和品质都非常好，且迷你太阳棚后右侧的支撑为可活动性的，便于小艇吊杆的操作。
The bimini supports were noted to be of high quality and well installed. The starboard side vertical support was seen to be removeable, to allow for operation of the dinghy crane. - 在主吊架上，设10 + 10根吊杆，在浇注混凝土和运输牛腿过程中支撑整个结构。
From the main suspension gallows, n. 10 + 10 hanging bars hang the whole structure during concreting or bracket replacing.
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