加热器；（汽车）起动预热器

block heaters───加热器；（汽车）起动预热器

block letter───印刷体字母；木版字

block letters───大写字母文字；印刷体大写字母（blockletter的复数）

black heat───黑热

black heats───黑热

black water───废水；污水

block trader───巨额自营商；第三市场经纪人；[金融]美国证券交易所直接沟通买卖双方的第三市场经纪人

Insert block heater assembly into core hole with element loop pointing Up.───电热器组合插入中心孔，元件环向上。

block heater, which is designed to heat the engine and can cost under $30, on a timer set to start one to two hours before driving, does the trick in very cold climates.───用于加热引擎的缸体加热器，带有定时器，设置好于开车前一到二小时启动，其成本通常不超过 30 美元，在非常冷的天气使用很管用的。

HGT series dry block heater is popular used in laboratory for heating test tubes and other micro containers.───HGT系列干式恒温器一般作为实验室加热试管或其它微小容器的常规装置。

in fact, the only option is an engine block heater ($35).───实际上，唯一的选择是引擎块加热器（$35美金）。

Insert block heater assembly into core hole with element loop pointing Up.───将电热器组合插入中心孔，元件环向上。

A Pump-circulation Plug-in Engine Block Heater and its Preheating Start Test───一种泵循环机体电预热器及其预热启动试验