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self-elevating
 self-elevating
tech. 自升的
| mast
 mast
mech. 井架;
met. 铁塔; 支柱; 支架; 起重杆
mount. 帐篷支柱
row. 桅杆
space 桅 杆

to phrases
self-elevating
tech. 自升的
self-elevating mast
: 44 phrases in 7 subjects
Aviation1
Business1
Drilling3
Nautical14
Navigation5
Oil / petroleum4
Technology16