结合工程实际情况，对水泵调节机构作了简单介绍和对比分析。
In connection with the practical project, the pump regulating mechanism is briefly described and analyzed in comparison.
结合工程实际情况，介绍干挂石材墙面上安装开关、插座、壁灯、配电箱等的做法。
Combining with actual situation in some projects, installation of switches, sockets, wall lamps and power distribution boxes on the wall with dry-hanging stone material are introduced.
结合工程实际情况，介绍在有地下水地区的暗渠施工降水案设计、涌水量计算、水泵选择。
An introduction is given to dewatering design, calculation of gushing water volume, and selection of pump for the construction of underdrain.
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