The welding spot is small, firm, could avoid dry joint.

激光焊接焊点小，焊接牢固，有效避免虚焊不良的出现。

youdao

Metal rust or dirt from joint oozing dirty clothes, and even cause skin allergies, so remove the table or wash water, please remember the cloth will put on dry joints.

金属锈或污垢易由接缝中渗出弄脏衣物，甚至造成皮肤过敏，因此在拆下表或清水洗濯后，请记得用布将接缝处擦干再戴上。

youdao

Metal rust or dirt from joint oozing dirty clothes, and even cause skin allergies, so remove the table or in the water after washing, please remember the cloth will put on dry joints.

金属锈或污垢易由接缝中渗出弄脏衣物，甚至造成皮肤过敏，因此在拆下表或清水洗刷后，请记得用布将接缝处擦干再戴上。

youdao

Material called a growth medium is put on the joint to keep it from getting dry and to help the two plants grow together.

VOA: special.2010.05.18

Something dry in the joint.

NEWYORKER: Teaching