男女吃奶做爰猛烈紧视频,狠干狠狠干靠逼,亚洲理论电影在线观看,亚洲福利在线无码天天看

Welcome to the official website of Legret Metal Company
Focus on electronic welding for 20 yearsDONGGUAN LEGRET METAL.,LTD
National consultation hotline:135-2799-2739
Contact US
mobile phone: 135-2799-2739
Service hotline: 0769-38893080
Email: lzd@dglzd.com
Address: Dongguan lvzhidao Metal Co., Ltd
Contact person: Manager Zeng
Lead-free Solder bar

Solder barSolder bar Sn99.3Cu0.7

Product parameters

☆ good fluidity and wettability< br> ☆ excellent antioxidant, less tin slag< br> ☆ appropriate additives to change the crystalline junction of solder joint Structure, reduce internal stress and resist whisker growth< br> ☆ excellent welding performance, few pull points and bridging;

Scope of application

This product is applicable to the tin spraying operation system on the surface of PCB, and is widely applicable to the wave soldering operation of automatic lead-free soldering furnace.

?? é?
é?????Sn99.3Cu0.7

常用無(wú)鉛焊錫用途表.jpg

都匀市| 内黄县| 罗甸县| 万安县| 随州市| 峡江县| 阳曲县| 金阳县| 永定县| 黄大仙区| 潮安县| 新乐市| 东乡县| 东乌珠穆沁旗| 小金县| 新巴尔虎右旗| 石屏县| 吉木萨尔县| 灵宝市| 白玉县| 阿坝县| 陆川县| 益阳市| 鲁甸县| 泾阳县| 隆昌县| 虞城县| 宁国市| 依兰县| 吉林市| 时尚| 滦南县| 易门县| 孟州市| 涿鹿县| 乐业县| 佛学| 平邑县| 芒康县| 齐河县| 禄丰县|