A hydraulic service jack (floor jack) has the advantage of no loose chain to get in the way.
卧式液压千斤顶的优点在于没有松垮链条的牵绊。
The Jack PC can be installed into walls, floor or users' desks where only the connection plate is showing.
只要有连接板，杰克个人电脑就能够安装在墙壁里，地板下或用户办公桌上。
Jack meets John in his office on the second floor. John is busy working when Jack enters.
杰克在办公楼二楼找到约翰，后者正忙。
In dormitory , each set a general jack box under the stair rest platform of the 1st floor where adjacent to the north and south elevator seperately, and be decorated later on.
宿舍楼一层与南北两电梯相邻的楼梯间休息平台下各设一台总电源分路箱，二次装修时做装修封闭。
Jack and Stella stared into the cage with its floor covered in wood shavings.
杰克和斯特拉盯着笼子看，笼子的底部盖着木屑。
Jack emptied the bag to the floor sending the ping-pong balls rolling to the front of the room.
杰克把乒乓球从纸袋里倒出来，把它们滚向了讲台。
Jack emptied the bag to the floor sending the ping-pong balls rolling to the front of the room.
杰克把乒乓球从纸袋里倒出来，把它们滚向了讲台。
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