直ちょっ管かん

noun

straight tube lamp; linear fluorescent tube; cylindrical light bulb

Refers to a straight, tubular light source, typically a fluorescent tube or a cylindrical LED bulb, as opposed to a compact or circular type.

• この照しょう明めい器き具ぐには直ちょっ管かんの蛍けい光こう灯とうを使つかいます。

  This lighting fixture uses a straight fluorescent tube.

• 直ちょっ管かんLEDに交こう換かんすると電でん気き代だいが安やすくなります。

  Replacing with a straight-tube LED will reduce your electricity bill.

noun

straight pipe exhaust

Used in automotive contexts for an exhaust system with a straight-through pipe, often implying a louder sound or performance modification.

• 彼かれの車くるまは直ちょっ管かんマフラーに交こう換かんしてあって、音おとが大おおきい。

  His car has been fitted with a straight pipe exhaust, so it's loud.