船舶专业英汉词典
船舶专业英汉词典：第147页
back lug
back nut
back of tool
back of wave
back ordinate
back out
back pitch
back pressure
back pressure spring valve
back pressure valve
back reinforced knife saw
back reversed spiral test
back running
back shore
back spiral test
back stay
back step welding procedure
back stopper
back strap joint
back strop
back swing
back to back counter
back tube sheet
back up block
back up washer
back voltage
back water!
back weld
back well photovoltaic cell
back-lash eliminator
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