Warranty period subject to operationalinstruction and using Code.
保用期内需符合及按使用守则操作方法。
2
Good practical ability, understand technical drawings, and can finish work according to operationalinstruction.
动手能力强，能看懂图纸，能根据作业指导书完成工作。
3
Bruner's "discovery learning" exploited a new field for research-oriented instruction, and Suchman's model for the analysis of inquiry laid an operational basis for this instruction.