B: in five working days, if we ship by air.
B：如果空运的话，五个工作天内可以到。
B也许你应该乘飞机去。
B: Yes, the fresh air and morning exercise put me back in shape.
是的，新鲜的空气和晨练使我恢复健康。
Open needle valve "b" to bleed air and then close "b" and vent needle valve.
开启针形阀“B”排放空气，然后关闭“B”和排气针形阀。
Drawing of air handling system is attached in Attachment B.
空气处理系统图纸见附件B。
B: There is a big closet, a new air-conditioner.
有个大衣柜，一个新空调。
B. Right, cos "Air" is their selling point.
没错，因为“飞人”是他们的卖点。
(B. On) that day, lots of children go out in the open air.
在那一天，许多孩子出来到户外.on用来表示在具体的某一天。
(B. On) that day, lots of children go out in the open air.
在那一天，许多孩子出来到户外.on用来表示在具体的某一天。
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