2kg

The weight of the Multi-Channel Analyzer is light ( including LCD , keyboard and battery for 2kg );

仪器重量轻（包括液晶显示器（LCD）、键盘和电源小于2千克）；

The mass of the whole biocabin was 1 ~ 2kg .

整舱质量为1～2kg。

In China , seafood consumption increased by about 2kg to 26.5kg a year per person between 2001 and 2007 .

2001年至2007年，中国海产品人均年消费量增加了2公斤左右，至26.5公斤。

For example , 2kg released , 2kg shall be added in , and see whether it reaches to the liquid surface mark ;

如放出2公斤，应加入2公斤，观察是否到达了液面线。

The results showed the operation pressure : 1 - 2kg / cm2 , decoloration rate : 99.7 % and the treated water could be reused .

结果表明，该复合膜用于废水脱色，操作压力在1～2kg/cm~2，脱色率大于99.7%，出水达到回用要求。

When the water flux up to 28.13 ml / cm ~ 2 · h , retention molecular weight was over 50000 ( 2kg / cm ~ 2 ) .

实验初步表明，膜的水通量28.13ml/cm~2·h和截留分子量五万（2kg/cm~2压力）。

Doctors do not know if the treatment will make him live longer but it has helped him improve the flexibility of his joints and helped him gain 4lbs ( 2kg ) in weight .

医生们也不知道这样会不会让他活得久些，但这一疗法确实帮他提高了关节的灵活性、帮他增重了4磅（2公斤）。

This paper summed up the enlarged test ( 2kg / batch gold concentrates ) of the pretreatment for Tuen jie Gou gold concentrate by catalytic oxidation acid leaching .

本文系总结了催化氧化酸浸的扩大实验结果，规模为每批料两公斤，它验证了小型实验数据，金的浸出率可达95%以上。

According to Mr Bezos , Amazon 's drones can deliver packages weighing up to 5lb ( a little over 2kg ) , covering 86 per cent of the items it delivers .

贝索斯表示，亚马逊的无人机可以递送最重5磅（2公斤多一点）的货物，可以满足其递送商品的86%。

The gold cyanide leaching rate is 56.17 % by direct roasting , but within 81.48 % with addition of auxiliary agent , then reaches as high as 87 % ~ 90 % with addition of 2kg / t leaching agent and improves the velocity of cyanidation as well .

金矿直接焙烧后，金的氰化浸出率为56.17%，加入助剂焙烧后，金的氰化浸出率为81.48%以内。若在氰化反应体系中加入2？