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共查询到3条相似文献,搜索用时 0 毫秒
1.
How to make your metering pump operate the way you want it to. Metering pumps are only too often poorly suited to the task for which they were purchased. A down-to-earth discussion of how to avoid this situation
Raymond L. Jewett
《Process Safety Progress》
1983,2(4):211-215
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2.
Emergency generators: A reliability study based on an analysis of failures. The poor condition of so much of this emergency equipment is appalling. the message is clear. For a few dollars saved on maintenance,the initial investment is wasted and the equipment may not be available for use in an emergency
Ray Stevens
《Process Safety Progress》
1983,2(4):203-208
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3.
The Camelia report: A study of technical alternatives and technical choices in teleconferencing by Robert Johansen,Jacques Vallee,Kathleen Spangler and R. Garry Shirts Report R-37, Institute for the future,Menlo Park,CA, 1977
Bengt-Arne Vedin
《Telecommunications Policy》
1978,2(2):173-174
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