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外套管 [wài tào guǎn]
outer thimble
protection casing
outer sleeve
outer shell
protection casing
outer sleeve
outer shell
- 卷布杆，采外套管式，于布匹卷收完成后，易于抽取。
Housing tube is adopted at cloth roller, which is easy to draw out the machine after rolling fabric. - 这种损伤的最坏可能结果就是，如果外套管完全破损，夹层的隔热材料就暴露在海水中了。
Such damage could result in potentially catastrophic consequences if the integrity of the outer pipe were compromised, resulting in the exposure of the thermal insulation to the subsea environment. - 本伸缩器是由外套管、伸缩管、压盖、密封填料、密封套 垫、密封法兰及螺纹紧固套件构成；
The expansion device is composed of an outer casing, a telescopic tube, a gland bush, sealing filler, a sealing gasket, a sealing flange and a screw fastening kit.
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