The harms and principles of the migration and extraction of plasticizer from the PVC were discussed.
讨论了聚氯乙烯(PVC)中增塑剂抽出和迁移的危害性和基本原理,重点介绍了影响增塑剂抽出和迁移的主要因素,如:增塑剂相对分子质量和分子结构、环境温度、增塑剂含量、介质和时间。
" Rubber, vulcanized--Determination of adhesion to single wire--Pull out test"
GB/T3513-1983橡胶与单根钢丝粘合强度的测定抽出法
" Rubber, vulcanized-Determination of static adhesion to textile cord-H-pull test"
GB/T2942-1991硫化橡胶与织物帘线粘合强度的测定H抽出法
A device for removing liquids or gases by suction, especially an instrument that uses suction to remove substances, such as mucus or serum, from a body cavity.
抽吸装置用抽吸装置排出液体或气体，尤指用抽吸法排出东西的工具，如从体内排出粘液或浆液
Synchronous belt-Test method for cord pull-out strength
GB/T10719-1989同步带绳抽出强度试验方法
testing method for alcohol-benzene soluble matters in raw material for pulp
纸浆原料中苯醇抽出物的测定法
Pulps-Determination of alcohol-benzene solubles
GB/T10741-1989纸浆苯醇抽出物的测定法
He made that decision actually by drawing lots.
他居然用抽签的方法做出那项决定。
The supermarket raffled fifty watches.
这家超市以抽彩给奖法售出了50只表。
Research on comparisons among cement sampling methods' error
出厂水泥不同抽样方法误差比较研究
sequential sampling method
逐次抽样法逐次抽样法
A type of probability sample in which aggregations of sampling units, called clusters, are sampled at some stage in the process.
是一种将样本单元聚集在一起的随机抽样法.样本群在抽样的某一步骤被抽出.
a contraceptive method in which coitus is initiated but the penis is deliberately withdrawn before ejaculation.
性交中在射精前阴茎有意抽出的节育方法。
I " m so glad that you were able to come to this party.
你能设法抽空出席这个交际会，我很高兴。
The Dilemma and Way Out of Judicial Review on Abstract Administrative Act in Our Country;
论我国抽象行政行为司法审查的困境和出路
lottery of lotteries
环抽(一种抽签方法)
Something drawn, especially a lot, card, or cards drawn at random.
抽出的签被抽取物，尤指签、牌或任意抽的牌
We hope each of you will arrange to chip in some time to help to repair the road.
我们希望你们每个人都能设法抽出一些时间来帮助修路。
Carbon black for use in the rubber industry--Determination of light transmittance of toluene extract--Rapid method
GB/T3780.15-1997橡胶用炭黑甲苯抽出物透光率的测定快速法