pipe knee

基本解釋

The inner mold support of a knee pipe is composed of the semi-circular arc-shaped support frames and a bivariate arc pad mold.
彎管內模支撐由半圓弧形支撐架與雙變弧墊模組成。
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You can picture Jackson with a young son atop his knee, corn cob pipe in one hand and a copy of The Brothers Karamazov in the other.
你想象下這樣的場面：禪師的幼兒坐在他大腿上，一只手拿著玉米棒，而另一手拿著一本《手足之情》。
The smell for of pipe tobacco always takes me back to the time I used to sit on my grandfather's knee.
煙斗煙絲的氣味總讓我回想起我過去坐的祖父膝蓋上的那些日了。