计算机硬件 输入输出设备 释文 friction feed 摩擦输纸
- Heaviside pi
- Heaviside step function
- Heaviside theta
- Heaviside unit function
- heavy added information constraint
- heavy aggregate
- heavy aromatics transalkylation process
- heavy atom effect
- heavy cargo carrier
- heavy chain
- heavy chain disease
- heavy chain nephropathy
- heavy charged particle interaction with matter
- heavy charged-particle interaction with matter
- heavycolour
- heavy crude oil
- heavy crude sewage treatment technology
- heavy cut
- heavy cut; heavy distillate
- heavy-damped wave
- heavy diesel fuel
- heavy distillate
- heavy duty coating
- heavy duty diesel engine
- heavy-duty maintenance machinery