A Thoracentesis Needle with Spring-loaded Valve  压阀式胸腔穿刺针

capital recovery with return  资本化资产

cooling with return air  回风型冷却

Cylinder Helix Spring with Variable Stiffness  变刚度圆柱螺旋弹簧

direct feeding system with return wire  带回流线的直接供电方式

door spring with rod  带闩门弹簧

Fish balls with spring onion  韭黄生鱼球

flexicoil spring with rubber pads  高圆簧(加橡胶垫)

Frid macao sole fish balls with with vegetable  菜胆龙利球

leaf spring with gradually changing stiffness  渐变刚度钢板弹簧

nonlinear sub-ODE with with an arbitrary power nonlinearity  含任意项非线性辅助微分方程

Shrimp balls with spring onion  韭黄虾丸

Sliced chicken with spring onion  韭黄炒鸡丝

Sliced pork with spring onion  韭黄肉丝

spring with 2 grade stiffness  两级刚度弹簧

Spring with high stress  高应力弹簧

Stewed noodles with spring chicken and vegetable  嫩鸡煨面

straw return with landfill  秸秆填埋

spring with rectangle’s section  矩形截面弹簧

armature return spring  衔铁回复弹簧