这个系统包括两个送风机(其中一个备用)、空气管和氧化空气分布管。
Moreover the company still conducts a washer to maintain, electric wire electric circuit and water warm air piping of whole change.另外公司还经营:洗衣机维修,冰箱冰柜维修,改水改电和水暖气管道的整改。
Some pumps used for 1000 hours, the ship propeller in the use of time is also greatly reduced because of the efficiency of air piping.某些水泵使用1000小时左右即出现严重的空蚀,船舶螺旋桨在使用一段时间后也因空蚀而效率大大降低。