免费精品视频,男人添女人下部高潮视频在线观看,91www在线,亚洲精品一区二区久

SG-5404 series constant temperature magnetic stirrer is the company to meet the needs of various types of laboratory, carefully designed and refined processing of production.

SG-5402 series multi-head heating Magnetic stirrer is the company to meet the needs of various types of laboratory, carefully designed and refined processing of production.

90-1型大功率磁力攪拌器 特點：攪拌力強，單攪拌、攪拌功率大. 90-1A型大功率磁力攪拌器 特點：攪拌力強，攪拌功率大、配電接點水銀溫度計可自行控溫（自行配置接點水銀溫度計，加熱器）. 90-1B大功率加熱磁力攪拌器 特點：攪拌力強，攪拌功率大、配電接點水銀溫度計可自行控溫（自行配置接點水銀溫度計）. 96-1型特大功率磁力攪拌器 特點：特大功率、大容量、三相直流無刷電機、電子調速

性能可靠的磁力攪拌器。按DIN 12878標準連接電子溫度計，如ETS-D4 fuzzy。

SG-5402 series multi-head heating Magnetic stirrer is the company to meet the needs of various types of laboratory, carefully designed and refined processing of production.

SG-5401 series two-way heating Magnetic stirrer is the company to meet the needs of various types of laboratory, carefully designed and refined processing of production.