block heater

基本解釋

By the structure features of fixed block of water heater container, the forming die was optimized.
根據(jù)熱水器水桶固定架工件結(jié)構(gòu)特點，優(yōu)化設計了成形模。
rjggy.net
HGT series dry block heater is popular used in laboratory for heating test tubes and other micro containers.
HGT 系列干式恒溫器一般作為實驗室加熱試管或其它微小容器的常規(guī)裝置。
A 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.
用于加熱引擎的缸體加熱器，帶有定時器，設置好于開車前一到二小時啟動，其成本通常不超過 30 美元，在非常冷的天氣使用很管用的。