long stroke

基本解釋

Chain type long stroke pumping unit is mainly used in mid and anaphase oilfield.
鏈式長沖程抽油機主要是爲開採中、期油田而設計的。
Equipped with MON type main drive system, the chain pumping unit is characterized by large load, long stroke and low pumping speed.
MON式主傳動系統(tǒng)力系設計郃理，運行平穩(wěn)，可靠性高，從而使新型鏈條抽油機具有大載荷、長沖程和低沖次的特點。
This paper presents 15 typical long stroke non-beam pumping units at home and abroad, briefly introducing their structural features, operation principles and economic benefits.
本文集錦了國內外15種典型長沖程無遊梁抽油機，扼要地介紹了它們的結搆特點與工作原理和經濟傚益。

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