1.
The results show that stomata are found in all abaxial epidermis, but not in adaxial epidermis;
结果表明:叶下表皮均有气孔器,上表皮均未发现气孔器;
2.
circular perforated air diffuser
环形穿孔空气扩散器
3.
This transverse bamboo flute has a blowing hole, a stop hole and six finger holes.
吹孔气鸣乐器，笛体上升有吹孔和膜孔各1个，按音孔6个，
4.
The optimum water depth increases as the aperture of the aerator increases.
水深较小时,宜选用孔径较小的曝气器;
5.
Design and Experimental Studies on Porous Silicon Gas Sensor;
多孔硅气体传感器的设计和实验研究
6.
THE TECHNOLOGICAL CHARACTERSTICS ANALYSIS MICRO-POROUS AERATOR IN OXIDATION DITCH
氧化沟中微孔曝气器的技术特性分析
7.
Gas liquid mass transfer specific area in microporous membrane gas distributor
微孔膜气体分布器气液传质比表面积的研究
8.
Study on Fabrication of Porous Silicon Gas Sensor and Gas Sensing-characteristics
多孔硅气体传感器的制备及其气敏性能的研究
9.
Study on Oxide Porous Nanosolid Gas Sensors
氧化物多孔纳米固体气敏传感器的研究
10.
Experimental Study of Radiative Properties on Gas-Fired Perforated Ceramic Radiant Burner;
多孔陶瓷燃气辐射定向器辐射特性的实验研究
11.
AN IN SITU GAS-TIGHT PORE WATER SAMPLER FOR DEEP-SEA SEDIMENTS
一种深海沉积物孔隙水原位气密采样器
12.
Research progress of fine porous diffusor in gas-liquid mass transfer
微孔扩散器在气液传质过程中的研究进展
13.
Analysis on structural parameters of the atomizer with ring gas jet by holes
环孔雾化器出口气体射流结构参数的研究
14.
Aeroacoustic Analysis of Non-Concentric Perforated Mufflers in Mining Trucks
非同轴穿孔矿用汽车排气消声器声学性能分析
15.
Planting bar used syringes from the bottom of the hole to put adequate amounts of external uniform adhesive filling injection hole, pay attention not to air hole inclose.
使用植筋注射器从孔底向外均匀地把适量胶粘剂填注孔内,注意不要将空气封入孔内.
16.
The purpose of the float-bowl vent is to equalize the effects of a clogged air cleaner.
浮子室通气孔的效用是补偿空气滤清器阻塞的影响。
17.
Simulation Study of Gas-particle Movement Based on Different Opening Rate of Air Distribution Plate in ESP
基于气流分布板不同开孔率的电除尘器内气粒运动模拟研究
18.
To use a punch or use a punch on.
使用打孔器或用打孔器在…上打孔