单张的英文：
singleton [a card that is the only one of the suit in a hand]

参考例句：

It is an offense to litter handbills.
请勿乱丢宣传单张,违者必究。

Duplex cutter: A sheeting device which cuts two different sheet lengths from the web simultaneously.
双刀裁纸机:把纸卷切成单张的装置。它能同时切出两种长度的纸张。

Slitting: Cutting sheets or webs along its length by means of cutting disc or wheel on the press or the folding machine.
纵切:用切割碟或输在印刷机上或折纸机上，把卷筒纸或单张纸沿着它的纵向分割的情况。

Sheet maps use a much larger scale.
单张地图用的比例大得多。

Sheet: Piece of paper for printing or for any othe finishing works.
单张:作印刷或其他加工用的纸张。

Handbill: Publicity sheet,normally printed on one side only,for delivery by hand.
传单:通常是印单面、人手派发的宣传单张。

Feed board: The surface over which paper is passed to the printing mechanism of a sheet-fed press.
给纸版:单张纸印刷机上，纸张传往压印部分途中的承托表面。

Cut-to-register: Paper with a watermark in the same position on each cut sheet.
对位裁切:开纸时，每一单张上的水印都要在相同位置裁切方式。

2) To cut and aquare a printed product during finishing. For single leaf work, all the four edges will be trimmed.
2)在完成加工时，把印成品裁切正方。单张的印件，要裁切四边

Two-sheet detector: A device in a sheet fed press for stopping the machine if more than one sheet is fed.
双纸探测器:单张纸印刷机地,给纸若多过一张,即停止机器的装置。

singleton是什么意思：
n. 一个,独生子,独身
card是什么意思：
n. 硬纸片；卡片；明信片；纸牌；银行卡；信用卡；赛事安排；王牌
v. 记于卡片上

A card stacker in card sorter.
卡片分类机中的一种接卡箱。

Carding is accomplished by wire cards or granular cards.
梳棉工作是由梳理针布或微粒针布完成的。

an ace at cards
玩纸牌的高手

one是什么意思：
num. 一；同一个、最重要的一个
det. 代替a或an，表示强调；某位（用于不太熟悉之人的姓名之前）
pron. 任何人；一个人；一个事物；其中的一个人

One, Taipei, one way.
台北单程票一张。

This one is not a spoof.
这个就不是开玩笑了。

One and one make(s) two.
一加一等于二。