Terms for subject Nautical containing mast

English	Chinese
boat mast	艇桅
built mast	组合桅
cage mast	桁架桅
collapsible mast	可倒桅
communication mast	信号桅
derrick mast	起重桅
gas venting mast	通气桅
goalpost mast	门形桅
lattice mast	桁架桅
lower mast	桅柱
main mast	前桅
mast-erect system	可倒桅杆装置
observation mast	瞭望桅
radar mast	雷达桅
stayed mast	支索桅
top mast	顶桅
tripod mast	三角桅
unsupported mast	无支索桅