head face

基本解釋

The reason of the formation of gas porosities and cracks on the head face of valve tappet has been studied.
本文分析了氣門(mén)挺桿端面氣孔、裂紋形成原因。
The sealing trough and the sealing ring arranged on the head face of the upper mouth of the cup body have good sealing effect.
在杯體上口端面上所設(shè)置的密封槽、密封圈，具有很好的密封效果。
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Methods:In this group, we applied the skin soft tissue expansion to repair the tissue defect of head face neck.
方法：采用國(guó)產(chǎn)硅橡膠擴(kuò)張器行皮膚擴(kuò)張術(shù)，修復(fù)耳鼻和頭面頸部軟組織缺損。

For years, researchers blamed muscle tension from tightening in the face, neck and the skin on top of the head.
And the head you are seeing at the back there he was trying to touch is his wife's face.
他用手于去觸摸的那個(gè)人,是他的妻子。
斯坦福公開(kāi)課 - 7個(gè)顛覆你思想的演講課程節(jié)選
Here we have two of our T.A.'s, actually these are the two head T.A.'s, and I want you to face forward so you don't see what I'm doing.
我們的兩個(gè)助教在這里,事實(shí)上是兩個(gè)助教主管,把臉朝前,不要看到我的動(dòng)作
耶魯公開(kāi)課 - 博弈論課程節(jié)選