55.a new stop valve to be installed before the waste oil filter of waste oil incinerator for convenient slushing , the drain screw to be changed with cook
在废油焚烧炉的废油过滤器前安装新的截止阀以便冲洗,排放螺栓应换成旋塞。
单词 | waste oil incinerator |
例句 |
原声例句
航海英语听力 55.a new stop valve to be installed before the waste oil filter of waste oil incinerator for convenient slushing , the drain screw to be changed with cook 在废油焚烧炉的废油过滤器前安装新的截止阀以便冲洗,排放螺栓应换成旋塞。 |
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