1) undersquare engine
长冲程发动机
2) ramjet assistant range
冲压发动机增程
3) two stroke engine oil
二冲程发动机油
4) two stroke engine
二冲程发动机
1.
The composition and properties of two stroke engine oils with biodegradability were discussed;Points for attention were given on developing two stroke engine oils with high performances and low pollution to enviromental protection.
介绍了生物降解性试验方法ＣＥＣ－Ｌ－３３－Ｔ－８２法，对生物降解性的二冲程发动机油的组成与性能评定进行了讨论，并给出了研制对环境有益的高性能、低污染的二冲程发动机油应注意的问题，对我国生物降解性润滑剂的研制提出了建
2.
The paper deals with the data base technology for visualized numerical calculation of flows in exhaust channels, transfer passages, ports and cylinder in two stroke engine.
讨论了二冲程发动机扫、排气道和气口气缸内气体流动数值计算可视化数据库技术，采用合理的数据结构及约束管理机制，提出了一种面向对象的数据库结构化模块设计方法。
6) two cycle engine
二冲程发动机
1.
The effects of the addition amounts of polyisobutylene, mineral oil and dilution solvent, the molecular weight of polyisobutylene, and the compatibility with the additives on the lubricity, detergency and smoke formation of the gasoline engine oil were investigated using simulative methods of coking plate, four ball, and friction testers, as well as the two cycle engine test.
利用成焦板试验机、四球试验机、摩擦试验机等模拟方法及二冲程发动机试验 ,考察了聚异丁烯相对分子质量与加入量、矿物油加入量、稀释溶剂用量及添加剂配伍与二冲程汽油机油润滑性、清净性、排烟性之间的关系 ,成功地研制了符合ISO 13738- 2 0 0 0EGD级二冲程汽油机油规格标准要求 ,并且具有良好的润滑性、清净性及低排烟性的低烟型EGD级二冲程汽油机
补充资料：航空发动机推重比(见航空发动机推力)
航空发动机推重比(见航空发动机推力)
thrust to weight ratio of aeroengine
hQngkong角dong)1 tuizhongbi航空发动机推重比〔thros*:。wdgh:ra-tio of aeroengine)见航空发动机推力。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条