trial-production

基本解释

This paper introduces design, trial-production and application of outsize plane-floating oil-seal.
本文介绍了特大型平面浮动油封设计，试制和使用。
Strict quality control is enforced in the overall process including the R&D, design, and trial-production of the products.
对产品的研发、设计、试制等工作都全面实现了严格的质量管理。
The technological principle of ceramic strengthened by fibre, the choices of elementary composition and technology for trial-production are described in the paper.
本文叙述了纤维增强陶瓷轴承的技术原理，单元组分的选择与试制工艺。

Last year South Korea's Agency of Defence Development halted production of trial versions of the K-11, as this rifle is called, and announced a redesign, following serious malfunctions.
ECONOMIST: Military technology