This paper introduces the methods of the air venting of sealed cores and the place merit of core supports. This process puts forward a new concept in casting production.

本文介绍了这种铸件在生产过程中，不出砂坭芯的排气和摆放芯撑的方法。

youdao

The venting process triggered the explosion when combustible hydrogen released by the steam mixed with oxygen in the air, officials said.

日本官员说，正是被释放的蒸汽包含的可燃氢气在接触到大气中的氧气后，导致了那次爆炸。

youdao

Gravity ball check may be converted for air or gas venting by replacement of standard ball with floater PP ball.

通过用漂浮的PP球更换标准球，重力球形止回阀可以改造为适用于空气或气体排气口。

youdao

The coating can eliminate the need for blinds and can enable a business to install a heating, venting and air conditioning system that is 30% smaller than would otherwise be needed.

FORBES: Smart Window Maker Soladigm To Manufacture In Mississippi

Energy operators also must meet with homeowners and others who live within 1, 000 feet of their proposed projects to listen to their concerns, not use open pits to store drilling waste and ensure their venting system is closed to prevent sending methane into the air.

WSJ: As energy boom nears cities, a backlash grows