43.the drain screw of fuel oil sludge tank to be changed with valve or cock.
燃油沉淀柜的排放螺杆应改为阀或旋塞。
单词 | fuel oil sludge tank |
释义 |
fuel oil sludge tank
原声例句
航海英语听力 43.the drain screw of fuel oil sludge tank to be changed with valve or cock. 燃油沉淀柜的排放螺杆应改为阀或旋塞。 |
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