Hand hole cleanout - provides easy access to the heater interior for inspection and cleaning.

人工清洗孔- - -使人工观察和清洗热水器内部更加方便。

youdao

Quick-open hand hole is set at lower part of the concentrator to clear residual liquid and slag inside the concentrator.

在浓缩罐下部设置了快开式手孔，以使清理罐内残液，残渣；

youdao

Simple design, barrel stool + soft cushions, with hand hole, light but not simple, but cute elegance, is home-very useful working benches, stools, makeup for shoes stool!

简约设计，桶装凳身+软坐垫，设有手提孔，轻便但不简陋，优雅但不失可爱，是居家很实用的周转凳、换鞋凳、化妆凳！

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Occasionally, a face would appear for a few seconds at a screened hole in the canvas, or a cuffed hand could be seen waving.

VOA: standard.2009.05.25

The foragers could not see inside the boxes and were allowed to pick only one card at a time, through a hand hole, using their dominant hand.

ECONOMIST: Human communication: Gesture politics | The

When we hand out the paychecks to the hole diggers, that makes the production of more goods and services in the private sector profitable, and they hire more workers, too.

FORBES: Obama + Ryan = Catastrophe

Meanwhile, Rory, on the other hand, has fallen down a large hole in a room full of old, seemingly inactive Daleks and accidentally wakes the them.

FORBES: Doctor Who 7.01: Season 7 Starts Off with a Bang (and a Bait and Switch)