half-round bar

请问海军中的左满舵是什么意思_百度知道 ... half-round bar steel 半圆棒钢 half-round bar 半圆钢 half-round chisel 半圆凿 ...

bar-英汉词典... ... half a bar {n.}半镑或50便士 half-round bar 半圆杆,半圆钢,半圆形钢条 half-round bar steel 半圆钢 ...

bar-英汉词典... ... half a bar {n.}半镑或50便士 half-round bar 半圆杆,半圆钢,半圆形钢条 half-round bar steel 半圆钢 ...