You build up a matrix using square brackets (), with each element separated with a space and each line separated with a semicolon.
使用方括号()可以构建一个矩阵,其中每个元素以空格分隔,每行以分号分隔。
A typical transfer line for dewars is connected to a bayonet that provides a means of using product vapor pressure build-up or an external pressure source to remove the liquid.
用于杜瓦瓶的典型的转移管连接到卡口上,利用产品积累的蒸气压或外部的压力源来取出液体。
On-demand pumps have a pressure switch that makes the pump build up pressure in the fresh water line.
按需水泵有一个压力开关,使泵在淡水输送线上产生压力。
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