发布时间:2025-01-25 01:58:26
500瓦。500瓦的水泵水箱和主机之间是不需要循环泵的,10匹中央空调选用500瓦的水泵刚刚好。常用的水泵有单级单吸清水离心式水泵和管道泵两种。当流量较大时,也采用单级双吸清水离心式水泵;当高扬程、小流量时,常采用多级离心式水泵。
美的电饭煲保修卡丢了,但是是电脑版的还没到3年,怎样可以免费保修呢
2025-01-25 01:58:26 2025-01-25 01:58:26农村两层楼村里水压低只能到一楼而且经常断水我想在一楼建个蓄水池电热水器安装在2楼应该怎么设
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