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ballast n.1.鎮重物,壓載物,壓艙物,底貨(石、沙等);(輕氣...

ballbearings

Electric lamps - 450 - watt , 230 - volt , b75 self - ballasted mercury lamps 電燈. 450瓦230伏b75自鎮流汞燈

Ballast test systems 2574r ballast analyzer 鎮流器分析儀系統

Function test and automatic controller test for ballast pump 壓載泵效用試驗和自動控制裝置試驗。

Wind design standard for ballasted single - ply roofing systems 鋪石渣單層屋面系統的風荷載設計標準

Electric lamps - fluorescent self - ballasted lamps - performance guide 電燈.熒光自鎮流燈.性能指南

Specially designed for electronic ballast and energy - save lamp 專為電子節能燈,鎮流器設計制造。

4safe and reliable with internal ballast 4內置鎮流器安全可靠。

Specifications for fluorescent lamp ballasts 熒光燈鎮流器的規范

A . c . supplied electronic ballasts for tubular fluorescent lamps 管形熒光燈交流供電電子鎮流器;

Ballast or pebble pitch forks 9 teeth 道碴和礫石的叉子九個齒

Pig iron used as permanent ballast 壓載鐵做為永久性壓艙物的生鐵

General technical specification for little ballast cleaning machine 小型道碴清篩機通用技術條件

Fluorescent lamps and ballasts - definitions 熒光燈和鎮流器.定義

A . c . supplied electronic ballasts for tubular fluorescent lamps 管形螢光燈用交流電子鎮流器;

Ballasts for tubular fluorescent lamps performance requirements 管形熒光燈用鎮流器性能要求

Ballasts for tubular fluorescent lamps - performance requirements 管形熒光燈鎮流器.性能要求

Thermal protectors for ballasts for tubular fluorescent lamps 管形熒光燈鎮流器熱保護裝置;

The ballast placed in the ship can keep the ship steady 放在船上的壓艙物可以保持船的平穩。

Electric lamps - 750 - watt , 120 - volt self - ballasted mercury lamps 電燈. 750瓦120伏自鎮流汞燈