And if a filter element needs to be replaced three times in an year in an offshore turbine, it may be difficult to be classified as a service friendly turbine.

试想如果海上涡轮机一年内需要更换三次滤芯，那么很难把它归类为易维护的涡轮机行列。

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youdao

The hotel offers a friendly atmosphere and personal service.

这家旅馆服务周到，使客人感到宾至如归。

《牛津词典》

They created Pedal People as a way to create a useful service that helps the local economy and is environmentally friendly.

VOA: special.2009.12.04

David Lanfear ownsan eco-friendly home building service in the United States called Bale on Bale Construction.

VOA: special.2009.10.05

The service, friendly and attentive. l Gabriela's -- 685 Amsterdam Ave.

FORBES: Fact and Comment

The service is friendly but episodic.

FORBES: Fact and Comment

The service is friendly and quick.

BBC: Mini guide to Bucharest, Romania