保持管道密闭 Keep the pipeline closed ; Keep the channel closed ; Keep a pipeline confined
保持容器密闭 keep container tightly closed
保持密闭
Keep closed
以上为机器翻译结果，长、整句建议使用 人工翻译 。
储存： 容器保持密闭，并储放于阴凉处。
Storage:keep container tightly closed and store in cool place .
youdao
保持容器密闭。
Keep container closed.
机器完全密闭喷淋显影，保持车间地面干燥，整洁。
Completely closed spray developing process, makes the ground of the workshop clean and day.
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