Chen Li; Sungsoo Kim; Ji Fu Lai Risk factors for lymph node metastasis in undifferentiated early gastric cancer.

王和明；尹浩然；林言箴影响胃癌淋巴结转移的多因素分析。

youdao

Fluoride-resistant plastic has better performance of sulphuric acid, using Chen Fu pump (F46) is a more economical choice.

氟塑料具有较好的耐硫酸性能，采用衬氟泵（F46）是一种更为经济的选择。

youdao

Fluoride-resistant plastic has better performance of sulphuric acid, using Chen Fu pump (F46) is a more economical choice.

氟塑料具有较好的耐硫酸性能，采用衬氟泵（F46）是一种更为经济的选择。

youdao