In field operation.

在田地里操作。

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The bad working conditions in field operation makes complex hydraulic system undergo a severe tests.

野外生产中恶劣的工作环境，对复杂的液压系统无疑是严峻的考验。

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The paper describes some precautions in field operation and regular maintenance of MCEVOY "C" double ram valve.

前言： 本文简要介绍M CEVOY“C”型双闸板阀的现场操作及定期保养中的几个注意事项。

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With 7, 000 people in the field, its sales operation is ten times the size of Netscape's.

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That operation, in the Pitu field, has been strongly criticised by environmentalists.

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One reason for this is that in the device field, the very surgeon performing the operation is often an inventor, too.

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