What is refrigeration equipment?
What is Refrigeration Equipment? Refrigeration equipment means a stationary device that is designed to contain and use refrigerant gas to establish o... 続きをみる
仕事場の窓からおっきな鶴の巣が向かいの建物
の屋根の上に見える。毎年春の終わりにペアが
一組やって来て、オスメスの舞いを見せ、喉を
ケタケタ鳴らし、卵をかたくなに温め、生まれ
たヒナにせっせとエサを運び、自分らと体の大
きさが変わらないほどまでに育った甘えん坊た
ちに飛行を教え、秋の入口に旅立ってゆく。
What is refrigeration equipment?
What is Refrigeration Equipment? Refrigeration equipment means a stationary device that is designed to contain and use refrigerant gas to establish o... 続きをみる