The temperature differences between ingoing and outgoing streams of gases are higher , thus requiring more refrigeration.进出气流间的温差比较大, 因而需要较多的冷冻量.One, segregation nurses patient ingoing single room, decline visit.隔离护理患者迁入...
"We do tune our guitars before we go on," he insisted.“我们在演奏以前确实会为吉他调音，”他坚持说道。They plugged their guitars into amplifiers.他们把吉他与扩音器相接。The guitars played.吉他声响起。...