本多用式座便器仍采用一孔式下水管，方便现有卫生间的安装和使用。
The multifunctional toilet bowl employs one-hole type sewer pipe still, which is convenient for installing and using for the existing toilets.
拖拉机设计的主要改变包括有动力输出装置，以及多用式或三轮型拖拉机的出现，这使农户实现机械化培育作物；
Major changes in tractor design include the power takeoff, the all-purpose or tricycle-type tractor, which enabled farmers to cultivate planted crops mechanically;
IM的封闭式应用包括小组或多方消息传递，或开发多用户聊天室。
A close application to IM is group or multi-party messaging or the development of multi-user chat rooms.
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