木节

木节对板材抗拉强度影响的研究

Study of the Effect of Knots on Tensile & Strength of Lumber

最后刨刀碰上了一个再也刨不掉的木节。

till at last the plane-iron came bump against an indestructible knot .

适合切削材料：不带活木节的软，硬木以及热带木。

Material : Soft , hard and exotic solid wood without loose knots .

中国北方石炭二叠纪和侏罗纪煤系中普遍产出一种可塑性极高的软质粘土，又称木节土，其矿物组成以高岭石为主。

A kind of high plasticity soft-clay , also called kibushi clay , is widely deposited in Carboniferous-Permian and Jurassic coal-bearing strata in northern China .

两个孩子趴在楼板上，眼睛盯着木节孔，在等着，恐惧得要命。

The boys stretched themselves upon the floor with their eyes to knot-holes in the planking , and lay waiting , in a misery of fear .

平顶山市的高岭土矿主要为沉积型，可分为瓷土型、焦宝石型、木节土型等三类，产于石炭系、二叠系中。

The kaolin deposits in Pingdingshan City are mainly the sedimentary mineral deposit , they can be classified into three types and occured in the Carboniferous and Permian .

真对不起，我可无法给你腾出一张台布来做褥子，这块板又粗得要命….他摸摸上面那些高高低低的木节。

I 'm sorry I cant spare ye a tablecloth for a mattress , and it 's a plaguy rough board here -- feeling of the knots and notches .

有效地控制杨木节痕和减少虫眼是提高杨木质量的关键技术之一。

It is one of the key techniques of improving timber quality of poplar to effectively control the nodal scars of stem and decrease the numbers of insect hole .