1、通气孔
... 长孔slot;slothole 放气孔;通气孔venthole 灌浆;水泥砂浆填平grouting ...
2、[建]出气孔
...undergroundcoalgasification(UCG)煤炭地下气化venthole出气孔wasterock矸石 ...
3、通风孔
... VENKATARAMAN,R.文卡塔拉曼 venthole通风孔；排气孔 ventairfiltersystem通风空气过滤系统 ...
4、排气孔
... VENKATARAMAN,R.文卡塔拉曼 venthole通风孔；排气孔 ventairfiltersystem通风空气过滤系统 ...
blowhole venthole通气孔
venthole e通气孔
underfloor venthole地板下通风口
Exterior thread venthole外丝出气嘴
Interior thread venthole出气嘴内丝
Internal Pilot and Overflow Venthole内部先导式溢流型先导空气常泄孔