铝在天然水体中广泛存在，但净水中的总残余铝主要是在铝盐混凝剂使用过程中不恰当操作条件所引入。

Aluminum is present in all natural water, but the total residual aluminum in drinking water mainly comes from use of aluminum coagulants under improper operational conditions.

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仅包含单个操作或少量操作的大部分服务都表明服务粒度不恰当。

A large number of services, each containing a single operation or small number of operations, indicates inappropriate service granularity.

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反过来，采用很少的服务(或者单个服务)来包含大量操作也同样表明服务粒度不恰当。

Conversely, a very small number of services (or a single service) containing a large number of operations likewise indicates inappropriate service granularity.

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