单刀: short-hilted broadsword sing ...单: singular number fate; destin ...投: throw; fling; hurl; cast式: type; style单刀单投: single-pole single throw单刀单投开关: single pole single throw switch; singlepolesinglethrowswitch三刀单投: triple pole single throw; triple-pole single throw双刀单投: double pole single-throw; doublepole single-throw单刀单掷: single-pole single-throw单刀双投式: spdt三刀单投开关: three pole single-throw switch双刀单投开关: double pole single-throw switch; doublepolesingle-throwswitch单刀单掷开关: monopole single throw switch; single pole single throw switch; single-ploe single-throw switch; single-pole single-throw单投: single throw; singlethrow单刀: 1.(短柄长刀)short-hilted broadsword2.[武术] (用一把刀表演) single-broadsword event3.[机械工程] (单一切削刀具) single-tool单投资: specific capital expense单刀架: single tool holder; single-tool holder三刀单掷: triple-pole single throw双刀单掷: double pole single throw; doublepole single-throw; dpst背投式屏幕: rear projection screen单极单投: single-pole single-throw; spst单投断路器: single-throw circuit breaker单投开关: single throw switch; single-throw switch名单投票制: list voting system三极单投: triple pole single throw