Alteration and potential role of soluble fms-like tyrosine kinase receptor 1 and the alteration of the placental bed spiral arteries in preeclampsia;
子痫前期患者可溶性血管内皮生长因子及其受体与子宫胎盘床螺旋动脉变化及意义
hand rack pinion press
手动齿轮齿条式冲床
pinion-and-rack steering gear
齿轮齿条式转向传动机构
pinion-and-rack steering device
齿轮齿条式转向装置
rack and pinion suspension system
齿轮齿条式悬挂系统
rack and pinion passenger hoist
齿轮齿条式载人吊重机
rack and pinion press
齿轮齿条传动压力机
rack and pinion gear
齿条与小齿轮传动装置
rack and pinion mechanism
齿条-齿轮传动机构
Hand Device Based on Two-step Force Orthogonal Amplification Mechanism of Linkage and Pinion and Rack Mechanism;
二次正交连杆与齿轮齿条机构的手动加压装置
bevel-type differential gear
锥式差动齿轮，差动锥齿轮
geared noncondensing turbine
齿轮传动背压式汽轮机
geared marine steam turbine
船用齿轮传动式汽轮机
Choices of inner gear profile curve of rolling gear drive;
波式滚动活齿传动内齿轮齿廓曲线的选择
gear wheel drive
齿轮传动齿轮传动装置
Research on Pulse Electrochemical Modification of Gear with Moving Shaped Cathode;
移动式成形阴极脉冲电化学齿轮修形工艺研究
geared medium-speed engine
齿轮减速式中速发动机
enclosed gearing
封闭式齿轮传动装置
A small cogwheel that engages or is engaged by a larger cogwheel or a rack.
小齿轮，齿杆啮合大齿轮或被大齿轮或齿条啮合的小齿轮