究竟平衡作用发生在铬铁矿和硅酸盐下沉之前,还是在其后?Did equilibration take place before or after setting of chromite and silicates?如果脱模剂发粘, 则减少硅酸盐.If the mold spray is sticky, reduce the silicate.硅酸盐矿物的特点是耐熔和难以分离.Silicate minerals are characteri...
He has found that smoke and toxic gases can be transported swiftly up through the atrium.他发现烟和毒害性气体可通过中庭迅速向上传播....a weapon which releases toxic nerve gas...释放神经毒气的武器There is a risk that toxic chemicals might be blasted i...
Tunica vaginalis subvolution was constantly used for treatment of filarial hydrocele in the past.以往采用传统的鞘膜翻转手术治疗丝虫性鞘膜积液.In China, mosquito - borne infectious diseases include malaria , filarial, epidemic Japanese B encep...
批次号?序列号? 或其他可供追溯的号码.Were there any specific batch numbers, serial numbers or other identifiers that provide traceability?是否每批检测后的货都有合格的特性和可追溯的信息?Are all passed lots properly identified by their pass status, and traceabil...