单项选择题
In vessel construction. Beam brackets are triangular plates than join the deck beam to a（）.
A.bulkhead B.frame C.stanchion D.deck longitudinal
单项选择题 In vessel construction, beam are transverse girders which provide support to（）.
单项选择题 Inerting means（）.
单项选择题 It is essential for（）to give a complete description of damage and shortage in the discharging report.
