The shop was an old converted house with many large, disused fireplaces and tall, narrow chimneys.那是一座老式的 、 经过改造的房子,店里有许多废置不用的大壁炉和又高又窄的烟囱.When the central - heating was installed, the fireplaces were walled up.安装暖气设备之后, ...
This machine is designed process of stripping the wire and then crimping.本机种是以电线剥皮及端子压著的连贯作业为主.Film anelasticity deformation occurred, causing the product on one side to the film self - crimping.薄膜发生滞弹性变形, 致使产品向薄膜一侧卷曲.Th...
Block and tackle: Combination of pulleys with rope or cable, commonly used to augment pulling force.滑轮和滑车组: 带绳索和缆绳的滑轮组, 通常用于增大拉力.Levers and pulleys are simple machines.杠杆和滑轮是简单机械.Among them were rickshaw pulleys, peddler...