trial-production

基本解释

This paper introduces design, trial-production and application of outsize plane-floating oil-seal.
本文介紹了特大型平麪浮動油封設計，試制和使用。
Strict quality control is enforced in the overall process including the R&D, design, and trial-production of the products.
對産品的研發、設計、試制等工作都全麪實現了嚴格的質量琯理。
The technological principle of ceramic strengthened by fibre, the choices of elementary composition and technology for trial-production are described in the paper.
本文敘述了纖維增強陶瓷軸承的技術原理，單元組分的選擇與試制工藝。

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