コントロールラインでしょう
kontorōruraindeshō
1. Probably within control limits.
Noun
#268377
1. Probably within control limits.
1. control
1. remote control
1. online
2. on the line (of a ball; in tennis, volleyball, etc.)
1. starting line; starting point
1. line
1. hot line; hotline
1. border line
1. goal line
1. civilian control (of the military)