1.
Molluscicidal effect of qiangluosha powder in the large field
现场大面积强螺杀粉剂杀灭钉螺效果
2.
Objective To explore the molluscieidal effect of Areca catechu on Oncomelania hupen-sis.
目的观察槟榔提取物杀灭钉螺的效果。
3.
Mollusicidal effect and toxicity to fish with META-Li in field
密达利杀灭山丘钉螺效果和鱼毒试验
4.
Experiement Study on Development of L.heterophyllus Granule Medicine and Effect of Poisoning Oncomelania hupensis
益母草颗粒灭螺剂的研制及对钉螺毒杀效果的实验研究
5.
"Protecting peaches and controlling snails" in peach gardens with re-emerging snails and its effectiveness at control
钉螺复燃水垛上桃园地“保桃灭螺”措施及效果
6.
To clinch(a bolt, for example).
钉牢（例如螺丝钉）
7.
The study of the toxic effect of Rumex japonicum Houtt and of EST isoenzymes in Oncomelania hupensis
药用植物羊蹄的灭螺作用及对钉螺酯酶同工酶影响初探
8.
The Effect of Molluscicidal Oncomelania hupensis and Impact On the MDA Content for SAN of Eomecon chionantha Hance
血水草血根碱杀螺效果及对钉螺头足部MDA活性的影响
9.
spiral part of a screw
（螺钉的）螺旋部分.
10.
Effect of the Soaking Solution of Eupatoeium japonicum on River Snail-killing
紫茎泽兰浸泡液对椎实螺杀灭效果观察
11.
Study on Molluscicidal Effect with Complex and LiuDaiShuiYangAn (LDS) and LDS Mechanism of Snail Control;
氯烟复配物及氯代水杨胺灭螺效果及氯代水杨胺杀螺机理的研究
12.
A nail, screw, or bolt for clinching.
铆钉用于固定的钉子、螺丝或螺丝钉
13.
to screw a lock on a door
用螺丝钉把锁钉在门上
14.
A screw is stronger than a nail.
螺丝钉比钉子牢固。
15.
Killing effects of different water temperature and different time on Angiostrongylus cantonesis in Pomacea canaliculata
不同水温下不同时间对福寿螺体内广州管圆线虫的杀灭作用
16.
Molluscicidal effect of suspension concentrate of niclosamide against Biomphalaria glabrata,an intermediate host of Schistosoma mansoni
氯硝柳胺悬浮剂杀灭曼氏血吸虫中间宿主光滑双脐螺效果观察
17.
Tapping screws thread
GB/T5280-1985自攻螺钉用螺纹
18.
remove the thread (of screws).
去掉（螺丝钉的）螺纹。