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to mop up it mop up it to mop it up mop it up
to mop up it mopped it up to mop it up mop it up
拖把布选用吸水性强、耐用的棉布条 拖把柄选用质量轻、强度高的木棍 拖把布与拖把柄用焊接连接，以防脱落 拖把柄上设置挂钩，以便悬挂晒干
to mop up it mop up it to mop it up mop it up
用干拖把拖净 用湿拖把拖净 用含氯消毒剂浸泡，然后用拖把拖净 用消毒纸巾擦拭 用拖把擦拭，然后丢弃拖把
mop it up mop up it to mop it up to mop up it
to mop up it mopped it up to mop it up mop it up
用干拖把拖净 用湿拖把拖净 用含氯消毒剂拖洗，然后将拖把洗净 用含氯消毒剂拖洗，然后将拖把先消毒、再洗净 用含氯消毒剂拖洗，然后将拖把丢弃
mop it up mop up it mop them up mop up them
拖把应有剪切销及防撞缓冲装置 拖把的长度没有具体要求 应设安全操作警示牌 拖把上应有明显的适用机型标志
to mop up it mopped it up to mop it up mop it up
用干拖把拖净 用湿拖把拖净 用含氯消毒剂浸泡，然后用拖把拖净 用消毒纸巾擦拭 用拖把擦拭，然后丢弃拖把
to mop up it mop up it to mop it up mop it up
to mop up it to mop it up mop it up mop up it
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