查询词典 softwood

When the temperature of wood is 80℃, the absolute pressure of ambient is 0.02Mpa, the equilibrium radius of bubble calculated theoretically is 4.68μm, however, the tracheid of softwood internal diameter is 20~30μm,obviously there is sufficient space to form bubble in liquid.

在木材为温度为80℃，环境绝对压力为0.02MPa的条件下，理论计算表明此时的汽泡平衡态半径为4.68μm，而针叶树材管胞的内径为20～30μm。

From the result of angular featureparameters,we could see that the arrangement degree along radial of softwood tracheid wasthe strongest,then was the vesselless hardwood of Trochodendron araioides and Tetracentronsinense,the other hardwoods are relatively weak.

从方向性特征参数值可以看出，在细胞径向排列程度上，针叶材管胞的径向排列程度最强，其次是无导管阔叶材水青树和昆栏树，其它阔叶材导管的径向排列程度较弱。

The pulp is from long-fibered, coastal softwood species grown in the great tree growing regions of Northern California and Southern Oregon.

纸浆是，从长远的纤维状，沿海针叶树种，生长在伟大的树生长的地区，加州北部和南部的俄勒冈州。

Transformer Overload Test 39 变压器过载测试 39.1 As specified in 16.1, samples of each transformer are to be placed on a tissue paper-covered, knot-free, softwood surface, and covered with a layer of cheesecloth.

39.1 根据16.1要求，每个变压器样板都要放一张薄纸隐蔽，没有结点的，软木质的表面，并用一层粗棉布隐蔽。

When other than floor-mounted, the luminaire is to be 57 舞台灯标准 supported with the lowest feature of the lamp compartment 0.9 m (3 feet) above the tissue paper-covered, knot-free softwood surface.

32.4 灯具为地安灯时，其底部必须垫一张绵纸，knot-free 软木材的表面。除地面安装灯外，其它灯具元件距离绵纸的最小距离为0.9mm(3 feet)。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。