送气通风系统 plenum system
壁脚板配线 plinth wiring
扫雪机;沟刨 plough
扫雪机 plow
塞嘴 plug cock
排泄孔 plug hole
插入式连接 plug in connection
堵渗漏 plugging leaks
毛石块 plum
管工蒙布漆 plumber's dope
管道配件 plumbing fitting
卫生七 plumbing fixtures
壁脚板配线 plinth wiring
扫雪机;沟刨 plough
扫雪机 plow
塞嘴 plug cock
排泄孔 plug hole
插入式连接 plug in connection
堵渗漏 plugging leaks
毛石块 plum
管工蒙布漆 plumber's dope
管道配件 plumbing fitting
卫生七 plumbing fixtures
卫生装备组合 plumbing unit
卫生管道工程 plumbing work
滑阀泵 plunger pump
夹板混凝土模板 plywood concrete forms
结构用胶合板 plywood for structural use
压气排水沉箱 pneumatic caisson
气动混凝土灌注机 pneumatic concrete placer
气动输送 pneumatic conveying
混凝土气力输送 pneumatic conveying of concrete
气动输送设备 pneumatic conveying system
空气钻 pneumatic drill
风动给料 pneumatic feed
气力升降机 pneumatic hoist
气压桩锤 pneumatic pile hammer
充气结构 pneumatic structure
喷射灰浆 pneumatically applied mortar
气动卸货门 pneumatically operated discharge gate
喷混凝土 pneumatically placed concrete
袋状滤器 pocket filter
点 point
拐点 point of contraflexure
支点 point of support
三角形檐饰 pointed pediment
泊松比 poisson's ratio
极惯性矩 polar moment of inertia
围垦地 polder
塔杆 pole
抛光 polishing
污染废水 pollutant effluents
污染负荷 pollution load