When cartridges need service, they can be taken out manually from service hole located at upper part of lateral of strainer for rinsing.

可根据需要设计为滤网快换型过滤筒需要换或检修时，可通过设在滤水器侧上部的检修手孔直接将每一个滤筒手动取出清洗。

youdao

"When you make an offer on a car, you're digging yourself into a hole," says James "Spike" Bragg, a consumer advocate and founder of Fighting Chance, an information service for new-car buyers.

“当你对一辆汽车递价的时候，你就是在将自己塞进一个洞，”詹姆斯布拉格说。 此人绰号“牛市”，他既是一位消费者，也是那家专向新车买主提供信息的“奋斗机遇”机构的创始人和鼓吹者。

youdao

Michael crawls through the hole and into a narrow, but extensive service corridor. Metal catwalks and pipes sprawl in all directions.

Michael爬过洞去，进入了一个狭窄的，但是空间广阔的维修通道，狭窄的通道和管道向各个方向蔓延展开。

youdao

What could have been a customer service request that fell into the black hole of customer service requests, this one was, instead, a Ninja-like example of surprising and delighting the customer.

FORBES: Apple Might Take a Page out of the LEGO Playbook as It Plans Its Next 'Innovation'

Aside from this gaping hole in the service's usability in iOS, almost everything else worked without incident.

ENGADGET: Google Drive for iOS hands-on Mobile

Oracle gets a full-feature, on-demand customer service solution which has been a hole in their current offering.

FORBES: Connect