词汇	水下支援舰
释义	水下支援舰 Submarine Support Vessel
随便看	threeposition three position three-position three-positional reversible screw driver threeposition control three position control three-position control threeposition control action three position control action three-position control action threeposition controller three position controller three-position controller three-position-cylinder three position directional valve three-position dobby three position five-way valve Three position four-way electrohy-draulic valve three position four-way hand change-over valve three position four-way valve three-position four way valve three-position four-way valve three position jack three position key three-position key