pellet 球团矿peltier effect 珀尔帖效应pelton turbine 冲唤水轮机pendant 悬架式操纵台pendular motion 摆动pendulum 摆pendulum...
2009-10-04
phw 物理加工physical and chemical machining 物理化学加工physical and chemical working 物理化学加工physical chemistry...
phase 相phase angle 相角phase change 相变phase contrast microscope 相位差显微镜phase diagram 状态图phase differenc...
pipe 管pipe bender 弯管机pipe bending machine 弯管机pipe clamp 管固定夹pipe cleaner 洗管器pipe clip 管固定夹pipe coole...
plasma 等离子体plasma arc 等离子弧plasma arc cutting 等离子切割plasma arc machining 等离子电弧加工plasma arc welding 等离子...
pit furnace 均热炉pitch 节距pitch angle 节锥角pitch chain 量口径链pitch circle 分度圆pitch cone 节锥pitch cone angle ...
point 点point angle 钻尖角point of application 酌点point of contact 接触点point of inflection 拐点point of inte...
plucker 拔羽毛机plug 插头plug fuse 插塞式熔丝plug gage 塞规plug ignition 火花塞点火plug socket 插座plug switch 插塞开关plug ...
post bracket bearing 柱架轴承post drill 立式钻床post ignition 延迟点火postal car 邮车pot annealing 封闭退火pot furnace...
pontoon 浮船pontoon bridge 浮桥pontoon crane 起重船poor mixture 稀混合气pop back 回火poppet valve 菌形阀population 总...
practical unit 实用单位prandtl number 普朗特数preassembly 预装配precession 岁差precession angle 岁差角prechamber 预燃室...
powder 粉末;火药powder coupling 电磁粉末联轴器powder metal 粉末金属powder metal press 粉末制品成形压力机powder metal spray g...
principle 原理principle of conservation of energy 能量守恒律principle of least action 最小酌原理principle of lea...
pressure hose 耐压软管pressure indicator 示压计pressure intensifier 增压器pressure jump 压力突增pressure line 耐压管路...
producer 发生炉producer gas 发生炉煤气product 产品production 生产production arrangements 生产准备production capacity...