a poor supply的意思|示意

And a US study suggested the light at the end of the tunnel can be explained by poor blood and oxygen supply to the eye.

而且一项美国研究表明，隧道尽头的光可以由血液和氧气供应低下所解释。

African countries face not only a limited cotton supply and poor machinery. They also face problems with making cotton into fabric to produce clothing.

非洲国家面临的不仅是棉花供应吃紧和机器落后，还面临着将棉花制成布料以生产服装的问题。

Tensile strength of LDPE resin low voltage differential, rigid poor dimensional stability when processing poor, and connection difficulties, not suitable as a water supply pressure tube material.

LDPE树脂的拉伸强度低，耐压差，刚性差，成型加工时尺寸稳定性差，并且连接困难，不适宜作为给水压力管的材料。

In some countries, there might be little alternative supply at any price, due to poor transport infrastructure or a lack of suitable agricultural land.

在一些国家，或由于其落后的交通设施，或缺乏合适的耕地，几乎没有其他价格的农产品可供选择。

So, as agricultural output moves out along a rising supply curve, agricultural prices may continue to rise steeply for many years, with, eventually, calamitous consequences in poor countries.

因此，当农业产量随着供给曲线不断攀升时，农产品价格也会持续性地迅速增长，最终给贫困国家带来灾难性的后果。

PPR pipe is a new type construction material widely used in civilian and industrial water supply and sewerage system, but it is poor in hot and pressure resistance.

PPR(无规共聚聚丙烯)管材是广泛应用于民用和工业给排水系统的一种新型建筑材料，但存在耐热、耐压性能方面的不足。