Have you asked the plumber to come and look at the leaking pipe?
你叫管道





管子了吗?
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主妇(音频版)第一季 Now, if you've ever used a garden hose, or fixed a leaky sink, or had any other hands-on experience with fluids, then you know that flow can change in response to a number of factors, especially those that affect resistance.
现在,如果你曾经用过花园软管,或者修理过
水
水槽,或者有过任何其他流体实践经验,那么你就知道流量会随着许多因素而变化,尤其是那些影响阻力
因素。